50 psychology students took a standardized test. The scores are summarized in the GFDT below.ScoresFrequency9100 119120 - 13912140-15912160-17911180-1996You would like to build a relative frequency distribution for this data set to easily compare it to anotherclass of students.What is the relative fequency for the third class, 140 - 159?Enter answer as a percent (but do not include the percent symbol).relative frequency =%

The given table shows that the total number of psychology students took a test is 50.

Answered: 50 psychology students took a…

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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The scores and their percent of the final grade for a statistics student are given.What is the student 's weighted mean score? Score percent of final grade Home work 86 15 Quiz 90 15 Quiz 96 15 Project 96 25 Final Exam 92 30
The data represent the time, in minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? 8 8 36 14 31 39 32 36 19 3 4 25 26 12 16 9 Complete the table, starting with the lowest class limit. (Simplify your answers.) Relative Cumulative Class Frequency Midpoint Frequency Frequency Which class has the greatest frequency? The class with the greatest frequency is from to Which class has the least frequency? The class with the least frequency is from | to
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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. 68 71 38 27 51 47 40 66 38 97 69 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. 97 71 80 29 71 55 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? 44 76 68 56
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Fill in the relative frequency and the cumulative frequency values in the table below. Quality rating Frequency Relative Frequency Cumulative Relative Frequency Poor 2 Below Average 8 Average 5 Above Average 3 Excellent 2 Total 20 Based on the frequency table in question 5(a) draw a bar graph. Identify the shape of the distribution based on the bar graph you drawn.

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