26. The hourly wages for a sample of part-time employers at Pickett's Hardware Store are RM 12, RM 20, RM 16, RM 18 & RM19. What is the sample variance and standard deviation?

Q: 1) The hourly wages for a sample of 7 part-time employees at Home Depot are: $25, $36, $20, $17,…

A: Given data is: $25,$36,$20,$17,$19,$22 and $23

Q: what is the sample variance and estimated standard error for the following sample? n=16 with ss=540

A: The sample size is 16, and sum of squares is 540. The sample variance is, s2=SSn-1=54016-1=54015=36…

Q: 1. Calculate SS, variance, and standard deviation for the following sample of n=4 scores: 3, 1, 1, 1

A: We will answer the first question as we don't answer multiple questions at a time. Please resubmit…

Q: The standard deviation of the sample  1,1,1,2,3,3,3 is

A:

Q: Find the mean, mode, median, range, standard deviation, variance, skewness, and kurtosis of CGPA…

A: Given - The above 25 samples are given  below        n= 25    ∑x= 69.69 To Find - a) Mean ,Mode ,…

Q: Calculate ss, variance, and standard deviations for the following population of N= 7 scores:…

A: It is given that, scores: 8,1,4,3,5,3,4 And N=7 Mean can be calculated as: Mean (x̅) = sum of all…

Q: simple random sample comprised of the following data: 55, 23, 15, 6, 31. What is the point estimate…

A: Given that  Data -  55, 23, 15, 6, 31. Number of data values (n) = 5 Sum of data value = 55+…

Q: 21 Find the sample variance and standard deviation for the following sample: *15 9 5 12 9 21 4 24 18

A: As per our guidelines we suppose to do only one question  Given data is15,9,5,12,9,21,4,24,18

Q: According to a 2017 Wired magazine article, 40% of emails that are received are tracked using…

A: a. Let the variable X is defined as the number of emails that are tracked which follows binomial…

Q: calculate ss, variance, and standard deviation for the population of N=7  scores are: 8,1,4,3,5,3

A:

Q: Calculate SS, variance, and standard deviation for the following sample of n 5 5 scores: 2, 9, 5, 5,…

A: Given date, sample size n = 5   x x^2   2 4   9 81   5 25   5 25   9 81 Total 30…

Q: 1. Find the Mean, Median, Mode, Variance and Standard Deviation for the following data: 25, 36, 28,…

A: Calculate Mean, Median, Mode, Sample Variance (S2), Sample Standard deviation (S) from the following…

Q: In an analysis of variance, if SSb/t = 20 and MSb/t = 10, then there were _____ levels.

A: Given : SSB/t = 20 Msb/t = 10 here, K -1 = t ( given)  where K is the number of levels.

Q: Q1, Compute variance, the standard deviation, and SS for the sample below, 7, 5, 8, 5, 7, 6, 8, 5

A: Q1. The sample mean is, x¯=∑ixin=7+5+8+5+7+6+8+58=518=6.375 The sample mean is 6.375. The value of…

Q: 30. The following scores were given by 6judges for a gymnasts performance in vault of an…

A:

Q: b) Suppose that in a random sample of 600 customers, 270 express satisfaction with the dealership.…

A: sample of 600 customer

Q: 6. The following data give the number of new cars sold at a dealership during a 12-day period 13, 5,…

A: see

Q: what is the mean and standard deviation of the following sample:  8, 1, 5, 1, 5

A: From the given information, X= {8, 1, 5, 1, 5}Mean and standard deviation of the sample can be…

Q: The Ohio Bureau of Employment gathered the following sample information on the number of hours…

A:

Q: The following data give the numbers of pieces of junk mail received by 10 office secretaries during…

A: Given: data n =10 To find : i) range ii) variance iii) standard deviation

Q: 24. If an analysis of variance is used for the following data, what would be the effect of changing…

A: 24. The formula for sum of squares within(Error) is SSwithin=∑SSi. When the value of SS2 changing…

Q: Find the sample variance of the following set of data: 4,12,7,5

A:

Q: 3. Find the mean, median, mode, and Standard deviation of the following data: 15, 11, 18, 9, 15, 18,…

A: The mean can be calculated as follows:

Q: Compute for the sample mean, sample variance and sample standard deviation. The score of the 5…

A: Given: The scores are provided as:                                                    35, 15, 31,…

Q: 1. Determine the variance of the following 10 sample data: 10,12,9,18, 14,16,14,18,19 and 20

A:

Q: Find the sample variance of the following set of data: 8, 7, 11, 10, 10, 8.

A: Given data, 8, 7, 11, 10, 10, 8.   Sample variance=?

Q: ,000 Populati

A: Lower dispersion is considered better than higher dispersion because higher dispersion means that…

Q: Calculate SS, variance and standard deviation for the following population of N =5 scores: 2, 13, 4,…

A: The population of N = 5 scores are: 2,13,4,10,6 The population mean is given by: The sum of squares…

Q: what is the mean and standard deviation of the following sample:  18, 1, 5, 1, 5

A: Solution:The mean is obtained below:The sample mean is 6.

Q: Given n=10 measurements: 13, 15, 14, 16, 20, 15, 16, 19, 12, 18 The sample variance is

A: Given: n=Sample size=10   The following table shows the required calculations:   X X2   13 169…

Q: Find the Range, Variance, and Standard Deviation for the given samples. 1. 3, 5, 2, 3,9 2. 12, 11,…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: If the number of degrees of freedom for a chi-square distribution is 32, what is the population mean…

A: We have given that,  Number of degrees of freedom from chi- square distribution (df) = 32  Then, We…

Q: a survey found that 21% of Americans watch fireworks on television on July 4.  Find the mean,…

A: According to the given question, a survey found that 21% of Americans watch fireworks on television…

Q: Calculate SS, variance, and standard deviation for the following sample of n=5 scores: 2,9,5,5,9

A: Given :  n = 5  Sample Scores =2,9,5,5,9  First find Mean from the given scores :  The mean of a…

Q: (5). Calculate SS, variance and standard deviation for the following sample of n=7 scores: 8, 6, 5,…

A:

Q: 15. Calculate SS, variance, and standard deviation for the following sample of n = 8 scores: 0, 4,…

A: sample size (n) =8 Sum of Square (SS) : SS=∑i=18(xi-x¯)2 x¯=∑i=18xin=128=1.5 SS= 14

Q: 1. Consider the following sample of numbers: 1, 4, 5, 4, 3, 4, 7, 8, 5, 9, 12, 13, 11, 2. (a) Find…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: 15. The standard deviation of all possible sample means equals

A: Our Aim is to tell what is equals to the standard deviation of all possible sample means ?

Q: 2. Throughout the state of Kansas, there are approximately 4 potholes per 100 miles of highway. If…

A: Given,The average no.of potholes per 100 miles of highway=4A random variable…

Q: 4. Calculate the range and the sample standard deviation for the following data. High High High City…

A: Solution: 4. Let X be the random variable. The given data is 55, 60, 65, 65, 70, 70, 75, 80 and 81.…

Q: Which of the statements below is true about the standard error of the sampling distribution of the…

A:

Q: 7,11,12,15,31,22

A: Here 1st we define the formula for standard deviation then solve this question.

Q: 20. Which of the following data show most likely the smallest possible variance or variability? A.…

A:

Q: A university examines the variability in the math scores of students accepted to the business and…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: 3. Find the standard deviation for the following sample data: Freq. 6. 8 8 1 9. 6. 10 4 2. 3. 5

A:

Q: Compute the variance and standard deviation for the following population of scores. 1, 9, 8, 5, 7 O?…

A:

Q: What is the population mean, population variance and population standard deviation of the given…

A: Mean = ΣXi/n = (160+150+165+180+175+172)/6 =167 Variance= ΣXi2/n -(mean2)…