n 8. The mean height of 25 male workers in a factory is 61 inches and the mean helght of 35 female workers in the same factory is 58 inches. Find the combined mean holght of 60 workers in the factory. (r bivong

Q: After 8 points are added to each score in a sample, the mean is found to be M = 40. What was the…

A: Let us have n number of scores in a sample. After adding 8 to each score sample mean will be M = 40…

Q: The mean of 5 observations was 27. One number is deleted then the new mean is 25. Find that numb

A: The mean is the average or the most common value in a collection of numbers.

Q: The mean of a sample is 40. What will the mean become if a) 9 points are added to each score? b) 18…

A:

Q: A medical device company knows that the percentage of patients experiencing injection-site reactions…

A: It is given that p=0.11 i.e. 11%.

Q: hat the mean cost per unit for plants using electricity, µ1, is less than the mean cost per unit for…

A: Given : n1=13 , n2=8 , X1-bar=43.98 , X2-bar=52.70 , s1=7.94 , s2=8.51 ,α=0.05 Since , the…

Q: A small warehouse employs a supervisor at $1350 a week, an inventory manager at $770 a week, six…

A: Given 1.supervisor=$1350 2. inventory manager=$770 3.six stock boys=$420 4.four drivers=$520

Q: A set of n = 6 scores has a mean of M = 10. Another set of scores has n = 4 and M = 20. If these two…

A: Given, First set has mean = 10 and n =6 Second set has mean = 20 and n =4

Q: There are 850 females in your sample and 894 males. a) What is the mean earnings of males and…

A: Given : Earn=570.70-170.72×Female          (9.44)      (13.52)R2=0.084SER=282.12 Number of…

Q: The Bookstall Inc. is a specialty bookstore conc ardcover books are $3.50. Of the 50 books so What…

A:

Q: Recall Data Men Women 75 85

A: Excel Procedure: Enter  Men and Women in Excel sheet>Data>Data Analysis>Select ‘t-Test:…

Q: Yesterday, the price of a can of beans at five supermarkets was $2.02, $2.11, $1.99, $2.32, and…

A: Measure of central tendency measures the central or average value of a dataset. Mean is a widely…

Q: Find the mean of the data. Weight (oz) of peaches: 7, 5, 6, 8, 6, 5, 5, 7 Mean: [?] oz Enter your…

A:

Q: The mean score of a girl in 3 tests is 68. What should her mean score in 2 remaining tests be in…

A:

Q: The mean GPA for 138 residents of the local apartment complex is 1.9. What is the best point…

A: Solution: From the given information, the mean GPA for 138 residents of the local apartment complex…

Q: His .A Mean of population .B Mean of sample .C mode I need answer within 3 minutes with my best…

A: The solution is given below.

Q: The number of credits registered by a group of students as follows. a. Find the mean and the median.…

A: Given information- a) We have given 5 data set. 15 19 14 17 16 15 Here I am using excel for…

Q: The mean salary of ten employees is $35,000, and the median is $33,000. The highest-paid employee…

A:

Q: reminder, the mean of the differences in runtimes was 6.44 seconds, and the stand of the differences…

A: Given : Sample Size, n = 21 Sample Mean, x̄ = 6.44 sample standard…

Q: A student scored 75% in a quiz worth 75 points, 85% in a quiz worth 50 points, and 80% in a quiz…

A:

Q: What is the p value if the mean is 98.6, n=7, t= -2.114?

A: The P-value is the probability that provides strong evidence in favor of the alternative hypothesis.…

Q: he margin of error for a 90% CI for a mean, when the sample size is 12, the sample average is 52,…

A: As the population standard deviation is known, we will use t distribution. Degrees of freedom =…

Q: c) What was the sample mean of the number of hours spent relaxing or pursuing enjoyable activities…

A: The 95% confidence interval is (3.53, 3.83).

Q: 47 Find out Ginni's mean difference from the following items :- 22, 24, 26, 28, 30.

A:

Q: In a 100- item test, the score of Student C is 1/2 SD above the mean. Mean is 50 and SD is 4.8. What…

A: 13. The mean is 50 and standard deviation is 4.8.

Q: The mean height of 45 students of a class is 60" and the mean height of 55 students of another class…

A:

Q: (a) If the standard error of the mean is 10 for N = 12, what is the standard error of the mean for N…

A: The standard error of the sampling distribution of the sample means is given as follows:

Q: 4. Mr. Gomez travelled 525 km in 6 h. a) What was the mean distance travelled in 1 h? b) How is the…

A: this is the problem of basic physic question. we will solve it by busing velocitry property.

Q: Find n. What is the value of the mean?

A: HERE GIVEN , SCORE FOR 400 FRESHMEN STUDENTS IN AN ENTRANCE EXAM here use grouped frequency formula…

Q: To get a grade of C + , a student must have a mean average of 77 or greater. Jim has a mean average…

A: Jim has mean average of 76 for 10 quizzes. i.e. Jim has scored total of 76×10=760, combining all 10…

Q: How many students took the test?  What is the lowest score on the test?  What is the highest score…

A:

Q: Lin is working on a scionce axperiment. She wants to dotormine wnether salt water bxoils faster than…

A: Hello. Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Mary is participating in a 6-day cress-country biking challenge. She biked for 60, 51, 62, 63, and…

A: According to the question, 60+51+62+63+54+x6=59                    x = 64

Q: The mean score in statistics of 50 students in a class was 72 and that of the 15 girls was 65. Find…

A: Mean score in statistics of 50 students in a class was 72 and that of the 15 girls was 65.Find the…

Q: Company X pays its 50 employees a mean monthly salary of Php19,500; a second company Y pays its 62…

A: Given that Company X pays its 50 employees a mean monthly salary of Php19,500; a second company Y…

Q: answer this with solution:   The mean monthly salary of 26 male employees is 35,500 while that of…

A:

Q: (d) Would it be unusual if the sample mean were less than $7700? (e) Do you think it would be…

A: As asked by you I have answered the question (d) and (e). Please find the explanation below. Thank…

Q: The table below shows a stem-and-leaf diagram for the test scores of students in Liberal Arts Math.…

A:

Q: After every score in a sample is multiplied by 4, the mean is calculated and found to be M=24. What…

A: Here we need to find the original mean. It is given that every score in the sample is multiplied by…

Q: b) Calculate the mean, the median, and the mode of the time needed for workers to complete a weld.…

A: Given60,75,74,68,66,73,76,63,67,69,73,65,61,73,72,72,65,69,70,61,74,76,72,74,65,63,69,73,75,70,60,62…

Q: In a class of 32 students the mean height of the 14 boys is 1.56 metres the mean height of all 32…

A: Given: Total students(N)=32Number of boys=14Number of girls=32-14=18Mean of boys=1.56Combined…

Q: A local travel office has 10 employees. Their monthly salaries are given below. $1510, S1710, $1630,…

A: The given problem is to find the mean of given data, we can find mean as sum of all quantities…

Q: 5. Given an example where you measured the height of 10 of your classmates and computed a mean of 70…

A: Note:Hey there! Thank you for posting the question. Since population mean is not given, we are…

Q: What was Jason mean median and mode weight in pounds for the last 6 matches

A: Match Weight 1 145 2 148 3 145 4 142 5 149 6 147

Q: The mean height of a class of 28 students is 162 cm. A new student of height 149 cm joins the class.…

A: Mean Mean is generally represented as the total sum of all observations divided by the number of…

Q: 40 students took an exam, the passing score is 70. The mean score of students who passed are 75, the…

A: The mean of a dataset is calculated by dividing the sum of observations by the number of…

Q: 6. The mean value of a 2005 Honda Accord is $8200, with a standard deviatic of $1300:

A: (d) The corresponding z-value needed to be computed is: Therefore, we get that By using the…

Q: Winston has just gone grocery shopping. The mean cost for each item in his bag was $3.48. He bought…

A: Winston has gone grocery shopping.He bought 9 items.The mean cost of each item is $3.48.The prices…

Q: If I'm doing hypothesis testing on the amount (percentage) of americans who have a college degree,…

A: We are testing the amount (percentage) of Americans who have college degrees.   Here we use the…

Q: Given a scenario where n=100 and p=0.8, find the mean.

A: In this case the sample size is n = 100 and p = 0.8.