Course evaluation ratings for four college instructors are shown in the following table. Use a = .05 and test for a significant difference among the rating for these instructors.  What is your conclusion?   Instructor Black Jennings Swanson Wilson 88 87 88 80 80 78 76

Q: C. A company has four locations at which customers were survey for their satisfaction ratings. The…

A:

Q: Joseph is statistics instructor. He is interested in seeing if his fall class or spring class tends…

A: B. 0.0174

Q: scores of 40 students are listed below. Find P85.   30 35 43 44 47 48 54 55 56 57     59 62 63 65 66…

A: Given that  Arranging Observations in the ascending order, We get…

Q: A group of students were surveyed about the number of siblings they have. The frequencies and…

A: Solution: From the given information, the table of frequencies and relative frequencies of their…

Q: Do men score lower on average compared to women on their statistics finals? Final exam scores of…

A: There are two independent samples which are Male and Female. Both samples come from population which…

Q: The

A:

Q: The Amazon ratings below are for a Duck Mask based on 33 customer ratings 33 customer ratings 5 star…

A:

Q: Find the median of the following data: Element Frequency 14 2 36 5 45…

A: Answer: - Find the median of the following data:                 Element   Frequency c*f 14   2…

Q: we are testing whether there is a relationship between the teaching methods: A, B, C and the…

A: Given: The provided table is:   A B C Row total Marketing 77 88 71 236 Finance 88 97 81 266…

Q: Find the 59th, 75th, 90th Percentile of the Ungrouped Data Given: 99  93  85  84  96  87  80  71…

A:

Q: A class of eleven people received the test scores shown below, sorted by score. 32 51 69 73 74 75 82…

A: Given data set is  32,51,69,73,74,75,82,89,93,98,100 n=No. of observation=11

Q: A population consists of all the weights of all defensive tackles on a university's football team.…

A: Given data is  Johnson 204 pounds Patrick 215 pounds Junior 207 pounds kendron 212 pounds…

Q: Select the statement below that gives an example of a statistic.

A: Select the statement below that gives an example of a statistic. 1): According to census data, about…

Q: What is the value of the median for the following set of scoms Scores 1.1,4, 6, 8,12. 11. 21, 25, 26…

A: Median:   It represents the middle value for any given data set and is also represented as the 50th…

Q: 57 72 81 30 35 43 44 47 48 54 55 56 59 62 63 65 66 68 69 69 71 72 73 74 76 77 77 78 79 80

A: sample size (n) = 30arrange data in accenbding order :…

Q: Check the table below and calculate the appropriate test statistic.…

A: The following information has been provided. The row and column total have been calculated and they…

Q: A group of students were asked how many people they shared their home with and the following data…

A: From the provided information, The data values are as follow: 0 1 1 3 9 3 5 k 1 2 5 5 3 3 0 Number…

Q: The numbers of words defined on randomly selected pages from a dictionary are shown below. what is…

A: Given : The numbers of words defined on randomly selected page are37   65   64   58   62   39   59…

Q: Find the mean, the median and the mode of the heights.

A: Mean is defined as the sum of observations divided by number of observation. Median is the middle…

Q: A sample of 11 students are welghed and ranked according to their weight. Th median welght is the *…

A: Formula : 7th decile = (7(n+1)/10) th value of the observation

Q: The following items represent the number of birds observed at a given feeder over the past several…

A: We have given that,  The number of birds data is,  92, 24, 17, 54, 80, 40, 7 Then,  For the median…

Q: Find the 5 number summary for the data shown 14 24 25 41 45 48 62 68 76 83 88 92 93 5 number…

A: Obtain the values of five number summary.   The values of five number summary is obtained below as…

Q: The data to the right represent the cost of living for 20 states. The cost of living average price…

A: The data to the right represent the cost of living for 20 states. The cost of living is a measure of…

Q: Construct a boxplot for the given data. Include values of the 5-number summary in all boxplots. The…

A: 25,35,43,44,47,48,54,55,56,57, 59,62,63,65,66,68,69,69,71,72, 72,73,74,76,77,77,78,79,80,81,…

Q: According to the American Psychological Association, married adults tend to be happier than single…

A: The descriptive analysis is conducted using EXCEL. The software procedure is given below: Enter the…

Q: Construct a boxplot for the data

A: arrange the data in ascending order data in ascending order is: 41.0, 45.0, 46.0, 53.0, 57.0,…

Q: The annual salaries of six employees of a company are as follows:  $22.000 $35,000 $22,000 $46,000…

A: Given data is 22000,35000,22000,46000,57000,90000

Q: Construct a boxplot for the data set below. 95 95 95 97 90 89 90 85 91 84 89 91 92 89 89 89 88 89 91…

A:

Q: According to the frequency table below, hamburgers are the.... Hamburger Pizza Chicken Tenders Soup…

A: Given that Lunch choice  frequency  cumulative frequency  Hamburger  15 15 Pizza 5 20…

Q: Given data: 12, 18, 26, 13, 9, 32, 30, 27

A:

Q: How many males were surveyed?

A: It is given that Total = 516 Number of females = 259 Number of males = 257

Q: Refer to the UNGROUPED DATA below: 76 100 85 84 What is the median of the data? 84 73 50 85 97 85 83

A: From the provided information, The number of observations (n) = 10

Q: Find the median of the following list of weights (in pounds) of Boston terriers at a pet store. 11,…

A: 11,42,15,3,21,45,71,53,8,64,35,32,54sample size(n)=13

Q: Consider the data below: 62 78 84 62 72 78 54 60 78 80 The median is?

A: Median is the measure of central tendency. It measure the middle value of the data set. It divide…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.