A construction company has twenty workers. The company classified the workers into two groups: skilled workers and semi-skilled workers according to their qualifications. It pays the mean monthly wage of (1000$) for the workers. The company usually pays high wages for skilled workers. While skilled workers receives (1180$), semi-skilled workers receives (730$). Find the number of semi-skilled * ?workers
Q: The numbers of students in 8 private schools in Amman are ordered as : 230 , 410 , 540 , X , 620 ,…
A: We have to find mean of data.
Q: o researchers, the mean length of imprisonment for motor-vehicle-theft offenders in a nation is 15.1…
A:
Q: 2. The mean salary of ten employees is Php 32,000, and the median is Php 30,000. The highest-paid…
A: Given : The mean salary of ten employees is Php 32,000 and the median is Php 30,000 . The highest…
Q: The number of cookies that were made at a bakery for each of seven days is shown:108, 96, 96, 84,…
A: Generally, Mean is the best central tendency measure for a dataset. Median as a central tendency…
Q: According to Financial Executive, disability causes 48% of all mortgage foreclosures. Given that 20…
A: Population mean in case of proportion is given by = np Where n= sample size p=proportion
Q: The numbers of students in 8 private schools in Amman are ordered as: 230,410,540,…
A:
Q: A group of randomly selected members of Mothers' Club were asked how many kids they have. The table…
A: The most reasonable estimate for the number of mothers’ club members who have fewer than 2 kids is…
Q: The numbers of students in 8 private schools in Amman are ordered as : 230,410,540 , X ,…
A:
Q: Angela wants to estimate the mean number of siblings for each student in her school. She records the…
A: Explanation:Here, estimate the mean number of siblings for each student in Angela school. Moreover,…
Q: 2. The mean salary of ten employees is Php 32,000 and the median is Php 30,000. The highest-paid…
A: Given: Number of employees n = 10 Mean salary = Php 32,000 Median salary = Php 30,000 Pay raise for…
Q: find mean and median 21,25,65,49,58,65,95,45,25,45,12,35,25,45,85,56
A: Mean X =∑Xn = 21 +25+65+49+58+65+95+45+25+…
Q: A national company with several locations in the DFW area wants to provide on-site childcare for…
A: Given:- 107,92,97,95,105,101,91,99,95,104 sample size (n)=10 Formula:- mean x=∑x¯Px σx=∑x2Px-μx2
Q: Sales representatives earned these commissions last month: PhP 4377.47, PhP 3183.76, PhP 1970.16…
A:
Q: The governor of Florida would like to estimate the mean age of all Florida residents. To do so, he…
A: Here we need to find which of the following describes the given value of the sample mean 58.2
Q: The data represents the number of patients died because of road accident per year for a sample of…
A:
Q: The president of a local community college announced that the average age of students attending the…
A: Answer may vary, one of the possible answers is given below:It is given that the average age of the…
Q: Suppose there are 5 students in a room. The mean age is 20.0 years, and the median age is 19. If the…
A: From the provided information, There are 5 students in a room. The mean age is 20.0 Years. The…
Q: Compute the mean of 68, 14, 39, 38, 42, 90.
A:
Q: The numbers of students in 8 private schools in Amman are ordered as : 230,410,540 , X ,…
A: We have to find mean..
Q: The median number of part-time employees at fast-food restaurants in a particular city wasknown to…
A: The claim is that, there is a significant increase in the median number of part-time employees.The…
Q: Here is a list of 27 scores on a Statistics midterm exam: 20,21,23,23,26,29,29,33,35…
A: The list contains 27 scores on a Statistics midterm exam. The data is in ascending order. The…
Q: 3450, 3490, 3550, 3730, 3650, 3540, 3480, 3925, 3355, 3520, 3310, 3480. Find mean monthly starting…
A: Given, N=12 3450, 3490, 3550, 3730, 3650, 3540, 3480, 3925, 3355, 3520, 3310, 3480
Q: The Loris Healthcare System employs 200 persons on the nursing staff. Fifty are nurse's aides, 50…
A: The formula of the weighted mean is,
Q: Suppose that an electrical engineering firm in Ottav tions. One thousand undergraduate students…
A: to get the job he needs to be in the top 7% therefore we need to find the value of the 93th…
Q: find mean and median 4.5,1.2,5.8,6.5,8.0,5.4,6.5,2.5,4.5,8.2,9.5,7.5,4.5,6.0,5.4,5.9,8.2
A:
Q: A background measurement 5 times for 60 seconds and gets: [53,50,59,56,54]. Then measures 5 times…
A: Given that A background measurement 5 times for 60 seconds and gets: [53,50,59,56,54]. Then…
Q: The governor of Florida would like to estimate the mean age of all Florida residents. To do so, he…
A: A parameter is a measure or characteristics based on population. A statistic is a measure or…
Q: USTP employees have the following monthly dues in thousand pesos to their cooperative: 10, 40, 5,…
A:
Q: The numbers of students in 8 private schools in Amman are ordered as: 230,410,540,…
A: We have to find correct answer for given question...
Q: The mean wage of 100 workers per day was found to be 80. But later on, it was found that the wages…
A: As Prof. N. G. Das defined, "Measures of Central Tendency: A measure of central tendency represents…
Q: Final exam scores for the students from two different classrooms are shown below. Class A: 50, 52,…
A: Given: Class A: 50, 52, 53, 54, 55, 59, 60, 64, 67, 69, 80, 80, 80, 80, 83, 85, 90, 92, 92, 96 Class…
Q: Compute the median of 49, 40, 59, 30, 33
A:
Q: The mean score on a set of 24 tests is 83. What is the sum of all the test scores?
A: Mean is the average value of the case. Mean score is the ratio of sum of all scores and number of…
Q: A researcher wishes to demonstrate that the mean income of American families with 4 members is now…
A: We always put the no difference under null hypothesis
Q: In a small company there are 8 accountants , 14 engineers and 6 clerks . If the mean salary of the…
A: Solution: From the given information, there are 8 accountants, 14 engineers and 6 clerks in a…
Q: what is the first,second,third quartile and the outlier of…
A: The values of 1st, 2nd, and 3rd quartiles are obtained using EXCEL software and the procedure is…
Q: What is the mean to the raw score of 8, 10, 17, 22, 6, 20, 21, 22, 19, 30?
A: Given data is ,8 ,10 , 17 , 22 , 6 , 20 , 21 , 22 , 19 , 30sample size(n)=10
Q: the mean weight of five complete computer stations is 167.2 pounds. The weighs of four of the…
A: If we have 5 observations x1,x2,x3,x4,x5, then the mean is given by M=x1+x2+x3+x4+x55
Q: There are a total of 27,985 students that attend Liberty University Online. Out of those students,…
A: Sample mean = 45 n = 4865
Q: Compute the mean of 73, 65, 79, 80, 57. Round to 2 decimal places as needed
A: Mean of 73,65,79,80,57.
Q: There are eight boys in a preschool class. They're mean height is 33 inches, and the median height…
A:
Q: Construct a vertical and horizontal bar graph for the number of employees (in thousands) of a sample…
A: We have given that data Name of company Employees Xerox 378 MicMicroso…
Q: The mean score on a set of 27 tests is 87 What is the sum of all the test scores? The sum of all the…
A: The mean score on a set of 27 tests is 87.
Q: Compute the mean of 91, 10, 45, 73, 41
A: Mean (X bar) of the data can be computed by Xbar= sum of observation/ total number of observation
Q: The mean number of hours that Raphael worked over the past four weeks is 36.75. If he works 39 hours…
A: Given the mean number of hours that Raphael worked over the past four weeks is 36.75 and he works 39…
Q: The Census Bureau Web site gives several choices for "average income" in its historical income data.…
A: Given, information given for "average income" in its historical income data. in 2006
Q: A study at an amusement park found that, of 10,000 families at the park, 1530 had brought one child,…
A: GIVEN DATA : In the amusement park, there are 10,000 family 1530 family have one child, 1810 family…
Q: According to Inc.com, 71% of job seekers used social media in their job search in 2018. Many believe…
A: The answer is given in the below image. Please let me know if there something needs to be added.
Q: A reporter writing for a national newspaper claimed that representatives of school districts were…
A: Given: A reporter writing for a national newspaper claimed that representatives of school districts…
Q: The mean number of hours that Raphael worked over the past four weeks is 36.75. If he works 39 hours…
A:
Step by step
Solved in 2 steps
- What is a sample space?Determine the mean, median and mode for the sample of masses of students. Show all work, use proper notation and provide a therefore statement.The company has 13 employees with a salary of $20,900, 9 employees with a salary of $22,600, 18 employees with a salary of $27,700, 4 employees with a salary of $30,200, 5 employees with a salary of $37,500, and 1 employee with a salary of $145400. Find the mean salary for the employees. (Type a whole number and round to the nearest hundred as needed.)
- A company has 14 employees with a salary of $21,300, 10 employees with a salary of $23,800, 17 employees with a salary of $25,900, 2 employees with a salary of $31,800, 5 employees with a salary of $38,500, and 1 employee with a salary of $149,500. - Find the mean salary for the employees.A manufacturing plant knows that in reality 80% of products made are perfect. An inspector selects four products at random. What is the mean number of perfect products in any sample of 4? It can be assumed that each product is independent of the others.Compute the mean of these numbers: 12, 18, 12, 12, 18, 12, 18, 18, 18, 12 (hint: use weighted mean formula)
- The median number of part-time employees at fast-food restaurants in a particular city wasknown to be 18 last year. City officials think the use of part-time employees may be increasing.A sample of nine fast-food restaurants showed that seven restaurants were employing morethan 18 part-time employees, one restaurant was employing exactly 18 part-time employees,and one restaurant was employing fewer than 18 part-time employees. Can it be concludedthat the median number of part-time employees has increased? Test using a = .05.A medical researcher wishes to try three different techniques to lower cholesterol levels of patients with highcholesterol levels. The subjects are randomly selected and assigned to one of three groups. Group 1 is givenmedication, Group 2 is given an exercise program, and Group 3 is assigned a diet program. At the end of sixweeks, each subject's cholesterol level is recorded. Use the printout from Minitab to make a decision andconcluesion about the mean cholesterol levels found in the groups after the different techniquess were applied.Use΅= 0.05. Group 1 9, 12, 11, 15, 13, 8 Group 2 8, 3, 2, 5, 4, 0 Group 3 6, 12, 4, 4, 9, 8 A) Hypothesis Ho : Ha : B) Decision to reject or fail to reject Ho based on the Minitab printout. C) Conclusion about the problem statement as it pertains to cholesterol and the groups.In a small company there are 8 accountants , 14 engineers and 6 clerks . If the mean salary of the employees according to positions , are OMR 1125 , 1340 and 840 respectively . The mean salary of the whole company is approximately : Select one : O OMR 1171 O OMR 8.708 OMR 1240 O OMR 883
- The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is enough to increase the sales of its product. To investigate, the owner randomly selected 8 outlets and sold the MP3 player at the reduced price. At 7 randomly selected outlets, the MP3 player was sold at the regular price. Reported below is the number of units sold last month at the regular and reduced prices at the randomly selected outlets. Regular (7 outlets) - 138, 127, 129, 114, 114, 126, 98 Reduced (8 outlets) - 122, 135, 151, 133, 113, 129, 134, 133 At the 0.050 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales? Hint: for the calculations, assume the reduced price as the first sample. Compute the pooled estimate of the variance (round to 3 decimal places) Compute the test statistic (round to 2 decimal places)The mean salary for the 40 workers in company A is $97 per week, whereas in company B the mean salary for its 10 workers is $87 per week. If the two companies merge, what is the mean salary for the 50 employees of the new company?$ per weekCalculate the point prevalence for Alzheimer’s disease among individuals 65 years of age or older in a county that has 200,000 individuals who are 65 years of age or older, if 22,223 individuals who are 65 years of age or older have the disease. 0.0111 0.1111 0.8889 0.9889