fou randomly sample 100 FIU students and collect data on the number of coffee drinks consumed per day. The maximum number of coffee drinks consumed per day was 3. For the following data, compute the sample variance (s?). Round your answer to two decimal places. Number of Coffee Drinks Per Day 30 27 30 13

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A: a. Formula: Common population variance is obtained by pooling the sample variances given by using…

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A:

Q: Given a normally distributed population with a mean of 100 and variance 100, find ) P(90 sxs 115) 9)…

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

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

A: The given sample data is as follows: M1 = 10, M2 = 20, SS1 = 90, and SS2 = 70. The value of M2 is…

Q: The following set of data is from a sample of n= 6. 8 7 2 8 6 12 0 a. Compute the mean, median, and…

A: The variance can be calculated as follows: Step 1: Put the data onto the excel spreadsheet Step 2:…

Q: Following are the quartile values of a data set, The value of Q1 = 25 %3D The value of Q, = 43 %3!…

A: Given : Q1 = 25Q2 = 43Q3 = 43

Q: The following table shows the results of an analysis of variance comparing three treatments. What is…

A: Given that the table shows the results of an analysis of variance comparing three treatments.

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Q: A random sample of 5 weeks showed that a cruise agency received the following number of weekly…

A: where, n=population size.

Q: The following set of data is from a sample of n=6. 6 59 6 3 13 O a. Compute the mean, median, and…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 2- The sample mean and sample Variance of the following data are X 7 9. 14

A: Note: Hey, since there are multiple questions posted, as per guidelines we will answer first…

Q: A population of grades for a statistics class of six students is given below: 90 65 70 85 86 70 Find…

A: given data : 90,65,70,85,86,70

Q: The math grades of the 40 students in a class are given by the table X₁ 2 3 4 5 6 7 8 9 F₁ 1 3 5 6 9…

A: Solution-: Given data: xi 1 2 3 4 5 6 7 8 9 10 fi 1 1 3 5 6 9 8 2 3 2 We want to find (a)…

Q: . Researchers studying anthropometry collected body girth measurements and skeletal diameter…

A: we have given  the histogram below shows the sample distribution of heights in centimeters  and…

Q: The ages (in years) of a random sample of shoppers at a gaming store are given below: 12 21 23 15 20…

A: Observation: XX X^2X2 1 12 144 2 21 441 3 23 529 4 15 225 5 20 400 6 16 256 7 19 361…

Q: Given the following data: A1 A2 Аз A4 65 75 59 94 87 69 78 89 73 83 67 80 79 81 62 88 81 72 83 69 79…

A: The following information has been provided:   A1 A2 A3 A4   65 75 59 94   87 69 78 89   73…

Q: What the variance for the following sample of n = 3 scores? Scores: 1, 4, 7

A:

Q: Which one of the following is the variance of the given sample: 600, 470, 170, 430, 300 ? Select…

A: Given sample data is 600,470,170,430,300 Sample Variance=?

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A:

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

A: F-ratio is interpreted as the ratio of mean sum of squares between and mean sum of squares within.…

Q: The claim is that for a smartphone​ carrier's data speeds at​ airports, the mean is μ=18.00 Mbps.…

A: Given information Hypothesized mean µ = 18.00 Mbps Sample size (n) = 24 The value of test…

Q: c) Find the mean and variance of flights delayed per hour.

A: The probability distribution is x p(x) x*p(x) x2p(x) 0 0.10 0 0 1 0.08 0.08 0.08 2 0.07…

Q: For a given data set the Sum of Squares is 212.69 and the sample size (n) is 11. What is the…

A: Given that  Sum of squares (SS) = 212.69 Sample size (n) = 11   We know that  Variance (S2) = SSn-1…

Q: The following data consist of the present school enrollment of the Dr. Vesse High School. A study on…

A: The data is given as:   Year Level First Second Third Fourth Population size 150 185 220 245…

Q: Eneme7.28. Given that the mean of a distribution is 5, variance is 9 and the mament coefficient of…

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Q: If the sample standard deviation for the number of members at each of 25 fitness clubs is 41, what…

A:

Q: The claim is that for a smartphone​ carrier's data speeds at​ airports, the mean is m=12.00 Mbps.…

A:

Q: The following set of data is from a sample of n=6. 6 59 6 3 13 O a. Compute the mean, median, and…

A: a. given data sample  6, 5, 9, 6, 3, 13 Mean = (sum of observations)/(Number of observations) Mean =…

Q: The following data represent the difference in scores between the winning and losing teams in a…

A: (a) Mean The table of calculations is provided below; No. Point Difference Midpoint (x) Frequency…

Q: Find the variance of the following data set. 9, 6, 8, 8 NOTE: Round your answer to TWO decimal…

A: Given data set is 9,6,8,8

Q: The math grades of the 40 students in a class are given by the table 1 2 3 4 5 6 7 8 9 X₁ F₁ 1 3 5 6…

A:

Q: A textile manufacturer obtained a sample of 50 bolts of cloth from a day’s output. Each bolt is…

A: The cumulative frequencies are obtained in the below table:

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A: For calculating sample variance and standard deviation, first the mean of the data can be calculated…

Q: Some computer output for an analysis of variance test to compare means is given. Source Groups Error…

A: a) Number of groups in the given study: df for Groups=4 Number of groups-1=4 Number of groups=4+1=5…

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Q: From the community hospital and clinics around a city, the ages of dentists, nurses and physicians…

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

A: The formula for sum of square between is, SSbetween=∑iMi-M¯2 When the value of M2 is increased from…

Q: Below is a data set of n = 16 that expresses the overall miles per gallon (MPG) of family sedans:…

A:

Q: The following are the shoe sizes (inches) of 20 female students in SMU Senior High School: 6.4 7 8.1…

A: Given that  Let Xi denotes the shoes size of 20 females :  Xi:  5, 6.4, 7, 8.1, 5.8, 7.5, 9, 8.5,…

Q: The weight (in pounds) of a sample of 36 individuals was recorded, and the following statistics were…

A:

Q: Two samples of scores on a survey are as follows: Sample A: 107 6 8| 7 |9 Sample B: 18 310|112 7 27.…

A: We have given that,  The data of sample B is,  18, 3, 10, 1, 12, 7 Then,  We will find the variance…

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: Match each the following statistics to the appropriate test: ratio of variances for two d. a. t-test…

A: Explanation: t-test:  t-test is used when two samples from normal population and population variance…

Q: One sample has n = 5 scores and the second has n = 10 scores. If the pooled variance for the two…

A: Given information Pooled variance = 30 n1 = 5, n2 = 10

Q: Given a sample data set with a Variance of 12.25 and Mean of 4.0, what is the Coefficient of…

A: Variance = 12.25 Mean = 4

Q: The following table shows the results of an analysis of variance comparing three treatment…

A: From the provided information, Source SS df MS   Between 30 2 15 F=7.50…

Q: What the variance for the following sample of n = 3 scores? Scores: 1, 4, 7 06 15

A:

Q: From the population of the 300 student scores above a random sample of size n = 8 is selected. The…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: For 20 consecutive weeks, a store owner recorded a sample number of customers each week as follows:…

A: Solution: Let X be the number of customers. The given data is 300, 400, 324, 326, 327, 329, 415,…