In the General Social Survey, respondents were askedwhether they favor cuts in governmental spending.Here is the output summarizing this variable:StatisticsCUTS IN GOVT SPENDING.Valid1375Missing1492Mean2.24Median2.00ModePercentiles251.00502.00753.00CUTS IN GOVT SPENDING.CumulativeFrequencyPercentValid PercentPercentValidSTRONGLY IN FAVOR41314.430.030.0IN FAVOR47116.434.364.3NEITHER29410.321.485.7AGAINST1435.010.496.1STRONGLY AGAINST541.93.9100.0Total137548.0100.0MissingJAP147751.5DK7.2NA83Total149252.0Total2867100.0Which of the following is TRUE for this variable?The median is 2The mean is not appropriate for this variableThe mean is 2.24V The median is IN FAVORThe mode is IN FAVORThe mode is 2O The median is not appropriate for this variable

Median is the middlemost value of the dataset that has 50% data less than or equal to it and 50%…

Answered: In the General Social Survey,…

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 sales manager recorded the number of sales made by each of the 300 salespeople working athis chain of furniture outlet stores on a Saturday and created the following table.# Sales (bins) Proportion of salespeople in this bin0 – 3 0.053 – 6 0.156 – 9 0.30 9 – 12 0.3512 -15 0.15a. What is the unit of observation in this sample?b. What is the variable collected?c. Draw and label the histogram for this dataset.d. Which is the modal category?e. Calculate the proportion of the salespeople made 9 or more sales.f. Calculate the number of salespeople who made between 0 and 9 sales.
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A study was conducted to examine the impact of speaking in public on college students. A class of 15 statistics students participated in the study. At the beginning of a lecture the students recorded their systolic blood pressure. During the lecture the instructor called on each student to stand and answer questions about topics in the lecture. After speaking the students once again recorded their blood pressure. The resulting values are given below along with summary statistics. before 100 123 128 125 136 108 130 113 105 136 146 138 108 149 132 after 141 142 146 136 144 111 132 114 103 133 140 130 100 133 113 difference -41 -19 -18 -11 -8 -3 -2 -1 2 3 6 8 8 16 19 before after difference mean 125.1 127.9 -2.733 st dev 15.26 15.45 15.23 Does this information indicate that blood pressure increased because of speaking? Conduct an appropriate hypothesis test and show appropriate steps. Let μ1 mean systolic blood pressure before speaking in public, and μ2 mean…
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