Find the interquartile range for the following two data sets andcompare them.Test Scores for Class A69; 96; 82; 79; 65; 74; 83; 99; 89; 67; 90; 77; 85; 98; 66; 90; 77; 69; 80; 94Test Scores for Class B90; 72; 80; 92; 90; 97; 92; 75; 79; 68; 70; 82; 99; 94; 78; 73; 71; 68; 95; 100The IQR for Class A isNumberThe IQR for Class B isNumberJudging by their IQR, more variation is found in the test scores for ClassClick for List

Answered: Find the interquartile range for the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A marketing firm is doing research for an internet-based company. It wants to appeal to the age group of people who spend the most money online. The company wants to know if there is a difference in the mean amount of money people spend per morith on Internet purchases depending on their age bracket. The marketing firm looked at two age groups, 18-24 years and 25-30 years, and collected the data shown in the following table. Let Population 1 be the amount of money spent per month on internet purchases by people in the 18-24 age bracket and Population 2 be the amount of money spent per month on internet purchases by people in the 25-30 age bracket. Assume that the population variances are not the same. Internet Spending per Month 18-24 Years Answer Mean Amount Spent Standard Deviation Sample Size Step 1 of 2: Construct a 99 % confidence interval for the true difference between the mean amounts of money per month that people in these two age groups spend on Internet purchases. Round the…
Find the class frequency, midpoint and draw histogram and about how is it positively skews or not
The heights (to the nearest inch) of 30 males are shown below. Construct a frequency distribution and a frequency histogram of the data using 5 classes. Describe the shape of the histogram as symmetric, uniform, negatively skewed, positively skewed, or none of these. 67 76 70 68 72 68 65 63 76 69 66 72 66 66 69 73 62 62 71 73 70 72 71 65 68 66 74 72 68 69 ... Question content area right Part 1 Construct a frequency distribution of the data using 5 classes. Use the minimum data entry as the lower limit of the first class. Use the smallest whole number class width possible. Class Frequency Midpoint enter your response here –enter your response here enter your response here enter your response here enter your response here –enter your response here enter your response here enter your response here enter your…
Use the following data set: 13, 8, 10, 7, 13, 9, 7, 11, 12, 10, 13 to answer questions The data is said to be Select one: a. bimodal b. multimodal c. Unimodal
The following data points represent the number of points scored by each player on the Nemco basketball team last game. 1, 2, 3, 4, 5, 6, 8, 9 Find the mean, median, and mode number of points.
The following refer to the following data set: 75 95 72 67 39 98 28 44 48 72 53 What is the mean (¯xx¯) of this data set?mean = 62.8What is the median of this data set?median = 67What is the mode of this data set?mode = 72
The IQ scores of London student are shown below:118, 123, 124, 125, 127, 128, 129, 130, 130, 133, 136, 138, 141, 142, 149, 150, 154. a. Find the midquartile and interquartile range for the IQ scores.b. Draw a frequency distribution table to represent this data.
For the given data set, find the a. mean b. median c. mode (or state that there is no mode) d. midrange. Ages of teachers in the mathematics department of a certain high school: 26, 51, 39, 60, 26, 51, 26, 50, 50, 41
Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of cars each of the cars types. The data below displays the frontal crash test performance percentages. Test whether there are statistical differences in the frontal crash test performance for each type of car. Car Sizes Compact Cars Midsize Cars Full-Size Cars 95 95 93 98 98 97 87 98 92 99 89 92 99 94 84 94 88 87 99 93 88 98 99 89 How many pairs must be compared for follow-up t-tests?

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