The ordered data are below.14.6, 17.3, 17.8, 18.3, 19.1, 19.2, 19.6, 20.5, 20.9, 22.9, 23.4, 23.5, 24.2, 27.2Since there are an even number of observations, the median will be the average of the two middle values. The two middle values of the ordered data set are 19.6 and 10median is as follows.median = average of two middle values19.6 + 1112213Thus, the median number of hours of traditional TV viewing for people aged 18-34 ishours.Thus, the

Arrange the data set in ascending order are. Observations in the ascending order are…

Answered: red data are below. 14.6, 17.3, 17.8,…

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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Create a histogram for each of your variables using the same classes that you used for your frequency table. Discuss the distribution of each histogram. Based on the shape of each histogram, would the mean or median be a better measure of center for each variable? Explain.The graphs go up by 2.5. male stats: mean-18.1667 standard deviation-2.7796 N-183 female stats: mean-20.8973 standard deviation-3.3859 N-183
Grade-point averages. Find the mean and median for the grouped data in the following table. Interval Frequency 1.95 - 2.15 2.15 - 2.35 2.35 - 2.55 2.55 - 2.75 2.75 - 2.95 2.95 - 3.15 3.15 - 3.35 3.35 - 3.55 3.55 - 3.75 3.75 - 3.95 20 19 15 14 7 4 2
The following refer to the following data set: 51.5 78.1 78.1 78.1 38.1 69.9 44.1 58 40.2 56.2 What is the arithmetic mean of this data set? mean = What is the median of this data set? median = = What is the mode of this data set? mode =
Use the properties of the mean and median to determine which are the correct mean and median for the following histogram. Relative Frequency 0.05 0.10 0.15 0.20 0.25 0.30 1 2 3 4 5 6 7 8 9 0 Choose the correct answer. Mean is 4.2 and median is 4.5 . Mean is 5.1 and median is 2.1 . Mean is 2.4 and median is 2.6 . Mean is 4.1 and median is 4.6 .
A psychologist has designed an index to measure the social perspectives of elementary school children. The index is based on ratings of a child’s responses to questions about a set of photographs showing different social situations. The following are the indices measured on a random sample of 16 children attending elementary school in a particular district. 48, 75, 69, 58, 60, 68, 59, 66, 71, 52, 49, 60, 54, 55, 70, 57 For the data the mean index is 60.69 and the standard deviation is 8.26. Perform a statistical test to determine if the population mean index is greater than 50. a) Name of hypothesis test: b) H0: c) HA: d) Test Statistic: e) Rejection region: f) Decision in the context of the problem:
Find the mean, median, and mode of the data, if possible. If any of these measures cannot be found or a measure does not represent the center of the data, explain why. A sample of seven admission test scores for a professional school are listed below. 11.1 , 10.7 , 10.4 , 9.5 , 11 , 9.5 , 11.4 What is the mean score? Select the correct choice below and fill in any answer box to complete your choice. A. The mean score is= (Round to one decimal place as needed.) B. There is no mean score. What is the median score? Select the correct choice below and fill in any answer box to complete your choice. A. The median score is= (Round to one decimal place as needed.) B. There is no median score. What is the mode of the scores? Select the correct choice below and fill in any answer box to complete your choice. A. The mode(s) of the scores is (are)= (Use a comma to separate answers as needed.) B. There is no mode.
Grade-point averages. Find the mean and median for the grouped data in the following table. Interval 1.95−2.15 2.15−2.35 2.35−2.55 2.55−2.75 2.75−2.95 2.95−3.15 3.15−3.35 3.35−3.55 3.55−3.75 3.75−3.95 Frequency 19 15 13 12 10 5 4 5 2 1 Mean = ______. (Round to two decimal places.) Median = ______.
A psychologist has designed an index to measure the social perspectives of elementary school children. The index is based on ratings of a child’s responses to questions about a set of photographs showing different social situations. The following are the indices measured on a random sample of 16 children attending elementary school in a particular district. 48, 75, 69, 58, 60, 68, 59, 66, 71, 52, 49, 60, 54, 55, 70, 57 For the data the mean index is 60.69 and the standard deviation is 8.26. The confidence interval is 95%, with a level of significance of 0.05. Perform a statistical test to determine if the population mean index is greater than 50. a) Name of hypothesis test: b) H0: c) HA: d) Test Statistic: e) Rejection region: f) Decision in the context of the problem:
The following refer to the following data set: 81.6 127.2 98.4 100.5 95.8 106.2 127.2 108 127.2 117.8 What is the arithmetic mean of this data set? mean = What is the median of this data set? median What is the mode of this data set? mode = %3D
Use the properties of the mean and median to determine which are the correct mean and median for the following histogram. 03- 0.25. 02- 0.15-4 0.1- 0.05- 0 Choose the correct answer. X Relative Frequency Mean is 2.8 and median is 5.5. Mean is 3.2 and median is 4.6. Mean is 4.0 and median is 4.3. O Mean is 5.6 and median is 5.5.
The following refer to the following data set: 69.4 63.3 68.4 56.9 81.4 81.4 40.6 79.8 56 81.4 What is the arithmetic mean of this data set? mean = What is the median of this data set? median = What is the mode of this data set? mode =

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