The daily salaries of a sample of ten employees at a certain company are ₱500, ₱525, ₱450, ₱570, ₱510, ₱600, ₱650, ₱800, ₱400, ₱620. What amount separates the lowest 75% of the salaries from the highest 25% of the salaries?    a. ₱525.25 b. ₱580.75 c. ₱627.50 d. ₱562.50

Q: (a) What percent of respondents feel that their body weight is about right? (b) What proportion of…

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Q: Two boys divided equally their pay for stacking logs and each gave 10% of his share to charity. What…

A: Given, two boys divided equally their pay for stacking logs and each one of them gave 10% of their…

Q: A group of students were asked how many brothers and/or sisters they had. The following table…

A: Given: Number of brothers and sisters 0 1 2 3 4 Number of responses 31 42 15 9 3 We want to…

Q: Since 1966, 45% of the No. 1 draft picks in the National Basketball AsSociation have been centers.…

A: Given: Since 1996, 45% of the No. 1 draft picks in the National Basketball Association(NBA) have…

Q: Find the sample mean. Sample: 6, 8, 12, 19, 25 O A. x 14 O B. x- 15 OC. p 14 O D. p=13

A: Given that,In a data set,6, 8, 12, 19, 25Total number of observations = 5

Q: Given the sample data 21 19 13 32 27   find the range

A: Sample data: 21 ,19, 13 ,32, 27

Q: In a survey, 100 people were asked if they smoke and whether or not they exercise regularly (more…

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Q: Group the data and hence determine A. The sample mean B. The sample median C. The sample mode.

A: Frequency Table Class Count 47-48 5 49-50 8 51-52 18 53-54 5 55-56 2 57-58 3 59-60 1

Q: 13. Andi wants to know if there is a difference in income if he is studying and not attending…

A: Calculate the Sample means and Standard deviations for two groups

Q: A couple plans to have two children who will be assigned a sex of male (M) or female (F) at birth.…

A: We want to find the sample space

Q: What percentage of the sample were female drivers?

A: It is given that Total = 5+7+11+9 = 32 Number of females = 7+9 = 16

Q: What is the degree of freedom if the sample size is 25. Select the correct response: 25 26 24

A: We have given that,  Sample size (n) = 25 Then,  We will find the degree of freedom (df) = ?

Q: a. What is the frequency for CEO ages berween 54 and 65? b. What percentage of CEOS are 65 vears or…

A: Consider the table ,  Age Frequency Relative frequency Cumulative relative frequency 40-44 3…

Q: In an election, Greenwell and Wong were the only candidates running for a public office. 2800 people…

A: Total 2800 people were asked who they will be voting for in the election .  Now  to find number of…

Q: If the mean of the sampling distribution of the means is 12.4, what is the mean of the population?…

A: Given : The mean of the sampling dist. of the means is 12.4

Q: Find sample size CI=75% E=3.61 Stand. dev.=6.78

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Q: A school principal surveys 4 freshman, 4 sophomores, 4 juniors, and 4 seniors. For the situation…

A: We have to find correct answer for given data....

Q: The ages of all the patients in the isolation ward of the hospital are 38, 26, 13, 41, and 22. What…

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Q: Using the sample data in Table 1 above, determine the median daily consumption of water.   A…

A: For a grouped frequency distribution, the median is defined as: Md=l+N2-cfhwhere, l=lower limit of…

Q: What percentage of pets are Rabbits?

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Q: What is the sample mean? O a. 4.0 O b. 4.1 O c. 4.3 O d. 4.2

A: Given:   Sample drawn from normal distribution. Sample, x 4.1 4.2 3.9 3.8 4.5

Q: Find the median in the classified data (k=5)  A) 57,3  B) 123,8  C) 225,1  D) 329,7  E)…

A: Given, n=20 (sample size) Median=(n+1)/2=21/2=10.5th observation, i.e. average of 10th and 11th…

Q: The table below shows how many employees owned 0, 1, 2, or 3 cars in a company made up of 15…

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Q: What is your favorite sport to watch on television? What percentage of people surveyed are females…

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Q: 0.845 ľyx2 0.791 Txx2 = 0.371

A: Solution : Given : n=5             k =2          ryx1= 0.845          ryx2 = 0.791         rx1x2=…

Q: Here is a set of sample data. 72 89 51 85 12| 95 47 26 41 60 17 22 33 43 53 73 69 | 66 45 25 59 55…

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Q: What is the median of the sample 5, 5, 11,9, 8, 5, 8? а. 5 O b.9 O c.6 d. 8

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Q: Find the mode, median, and mean of the scores. (If there is no mode, enter NON 6.05, 5.01, 5.14,…

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Q: Given the data set: 1.7, 2.2, 3.9, 3.11 and 14.7; determine the sample mean and median respectively.…

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Q: a sampling plan, when n

A: n = 50, c = 2, N = 500 and p = 0.01 Pr{d<=2}

Q: Kate conducts a survey at her middle school to determine the students' favorite sport. Which…

A: To conduct a survey in the middle school, to determine the student's favorite sports.

Q: How many scores are in the population?

A: here given, SS = 328 variance = σ2 = 8

Q: Fifty students were surveyed and asked if they are taking a gym class and if they play an…

A: Total number of students is equal to 50

Q: If 31 out of 50 students sampled live in a college dormitory, what is the estimated proportion of…

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Q: Here is a set of sample data. 25 53 10 75 41 60 51 88 18 99 11 94 79 100 36 65 27 35 3 69 93…

A: Given data set,   25 53 10 75 41 60 51 88 18 99 11 94 79 100 36 65 27 35 3 69 93 First the arrange…

Q: Researchers asked 250 familles whether or not they were homeowners and how many cars they had. Their…

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Q: u refers to the population mean while x refers to the sample mean. O A. True O B. False

A: Givenμ refers to the population mean while x bar refers to the sample mean

Q: Below n is the sample size, p is the population proportion and ^p is the sample proportion.  n= 148…

A: Given, Below n is the sample size, p is the population proportion and P^ is the sample proportion.…

Q: A sample of Reese's pieces contains the following: 23 Orange, 14 Brown, 18 Yellow.  What is the…

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Q: (a) Population proportion: (Choose on) ▼ (b) Sample proportion:

A: Here, we need to choose the right notation of population proportion and sample proportion.

Q: Use the given sample data to find Q3.   49 52 52 52 74 67 55 55

A: Given the data, 49 52 52 52 74 67 55 55

Q: Find the midrange for the given sample data. 3) 49 52 52 52 74 67 55 55

A: The midrange of a set of observations is, (Maximum observation + Minimum observation)/2.

Q: (a) How many of the students in the sample got an A? How many got a D? The number of students who…

A: Given: Sample data: Grade frequency A 8 B 26 C 31 D 24 F 41

Q: class YES NO Undecided freshman 48 21 11 sophomore 34 52 What proportion of those surveyed were…

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Q: Describe how you would pick a sample for an interview. ng. (St-

A: here total 1950 student in school and here systematic sampling method is used

Q: A large group of college students was surveyed and the following information was obtained: 712 saw…

A: Let A is represented by Lady Gaga. B is represented by Arcade fire. And C s represented by Skrillex.…

Q: The scores on a statewide math exam were normally distributed with ?=74 and ?=8. What proportion of…

A: GivenMean(μ)=74standard deviation(σ)=8

Q: A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow. What is the…

A: A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow Total no. of…

Q: Students at Lakeview Middle School were surveyed about their favorite color. The results are shown…

A: Contingency table are used to tabulate the categorical variable. It explain the frequency…

Q: California Smokers In the California Health Interview Survey, randomly selected adults are…

A: Measures of variation:The measures of variation are range, variance, and standard…