5. Higher Order Thinking The same number of shoppersin two different stores at a mall were asked a surveyquestion. The column two-way relative frequency tableshows the relative frequencies with respect to the response.a. Compare the percentages for those who responded"Yes."b. Is there evidence of an association between theresponse and the store at which shoppers weresurveyed? Explain.StoreColumn Two-WayRelative Frequency Table12TotalResponseNo Total50%50%100%Yes74% 34%26% 66%100%100%

For store (1) 74% shoppers responded ‘yes’ and for store (2) 26% shoppers responded yes’. The…

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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) What is the median starting salary? 41,41,55,45,42,39,38,44,42,32 The median starting salary is: $ thousands of dollars(b) Which of the following would you use to display the data?A. pie chartB. contingency tableC. histogramD. bar graph
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 pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 8 children from her practice, measures their height and head circumference and obtains the data shown below. Height Head Circumference 27 17.5 25 17 26.5 17.2 25.5 17 27.75 17.4 26.25 17.4 26 17.1 27.25 17.4 data table n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396 26 0.388 27 0.381 28 0.374 29 0.367 30 0.361 compute the linear correlation coefficient between the height and head circumference of a child. r = ____ (round to three decimal places as…
2. Using the frequency/percentage distribution table below to find the median, 12t percentile, 25th percentile (1" quartile), 75th percentile (3rd quartile) and inter-quartile range (1QR) for the variable "mumber of rooms in respondents' home or apartment." Write one sentence interpreting each statistics. Number of rooms Cumulative Frequency Percent Valid Percent Percent Valid 153 room 7 .8 .8 244 1.2 1.2 2.0 3 968 4.7 4.9 6.9 2507 12.1 12.8 19.7 3758 18.1 19.1 38.8 3972 19.1 20.2 59.1 2965 14.3 15.1 74.2 2186 10.5 11.1 85.3 1146 5.5 5.8 91.1 10 868 4.2 4.4 95.5 11 373 1.8 1.9 97.4 12 217 1.0 1.1 98.5 13 77 4 4 98.9 14 35 2 99.1 15 22 .1 .1 99.2 16 15 .1 .1 99.3 17 47 2 99.5 18 40 2 99.8 19 30 .1 99.9 20 9 .0 .0 99.9 21 5 100.0 22 .0 100.0 Total 19642 94.4 100.0 Missing N/A 1160 5.6 Total 20802 100.0
Fifty randomly selected car salespersons were asked the number of cars they generally sell in one week. Nine people answered that they generally sell three cars; thirteen generally sell four cars; ten generally sell five cars; seven generally sell six cars; eleven generally sell seven cars. Complete the table. Data Value (# cars) Frequency Relative Frequency Cumulative Relative Frequency 3 4 6. 7
3. The data shows the number of students who got scores in Algebra. Given the frequency distribution below, find the mode of the grouped data. Scores in Algebra 75-79 6. 70-74 7. 65-69 2. 60-64 8. 12 55-59 7. 50-54 10 45-49 8. 40-44
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We are going to calculate the mean, median, and mode for two sets of data. Please show your answer to one decimal place if necessary. Here is the first data set. 48 78 53 22 45 42 61 97 87 22 54 a. what is the mean (T) of this data set? b. What is the median of this data set? c. What is the mode of this data set? Here is the second data set. 49 84 44 89 74 26 80 39 92 49 d. What is the mean (T) of this data set? e. What is the median of this data set? f. What is the mode of this data set?
Find the mean, the median, and the mode for the set of scores in the frequency distribution table. f: 1,2,3,4,5, x: 2,3,6,6,6,6,6,7,8,8,8,9,10,10,10 Mean = ___________ Median = __________ Mode = ____________

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