The scores on a mathematics test were 70, 55, 61, 80, 85, 72, 65, 40, 74, 68, and 84.
Complete the accompanying table, and use the table to construct a frequency histogram
for these scores. (the tally column is optional)
Score Tally Frequency
40-49
50-59
60-69
70-79
80-89
Use the data from problem above to answer the following questions.
Find the mean.
Find the median.
Find the mode.
In what circumstance is the median the best measure of center?
The scores on a mathematics test were 70, 55, 61, 80, 85, 72, 65, 40, 74,...
Question 1 (30 marks) The scores of 60 students in a test are: 58 49 48 62 50 76 61 82 60 72 70 35 61 55 82 66 50 47 36 58 84 55 68 32 62 58 48 75 80 49 55 67 71 46 40 57 69 70 52 60 48 53 42 68 54 60 63 70 72 68 42 55 36 70 36 82 66 46 59 50 (i) Find the mean score of the...
I need answer on number 7 please 5. Students in a statistics class took their first test. The following table lists the scores they earned. 67 67 76 47 85 70 87 76 67 72 84 98 84 64 65 82 81 81 88 74 87 83 Complete the following frequency distribution table using 6 classes: 40-49, 50-59, 60-69, 70-79, 80-89, and 90-99. Scores Tally Frequency Relative Frequency Cumulative Relative Frequency 40 - 49 50 - 59 60 - 69...
The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Calculate: Stem and leaf Relative frequency histogram Cumulative frequency Sample Mean Sample Median Mode Variance Standard deviation
02 The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Calculate: . Stem and leaf ....
Problem #1: Consider the below matrix A, which you can copy and paste directly into Matlab. The matrix contains 3 columns. The first column consists of Test #1 marks, the second column is Test # 2 marks, and the third column is final exam marks for a large linear algebra course. Each row represents a particular student.A = [36 45 75 81 59 73 77 73 73 65 72 78 65 55 83 73 57 78 84 31 60 83...
89 67 84 74 58 51 63 68 84 65 57 76 58 75 72 67 64 74 95 53 77 86 90 80 70 67 76 62 91 70 63 78 49 61 77 57 83 67 107 67 80 73 94 80 73 74 67 72 68 79 73 121 63 77 70 61 75 66 79 54 76 86 84 72 65 75 63 91 72 64 99 81 58 70 58 58 90 66 64 80...
Please answer all questions! thanks :) VI/ Test scores from a math midterm are as follows: 79, 90, 85, 89, 70, 59, 75, 64, 83, 78, 75, 77, 78, 77, 67, 85, 74, 52, 87, 72, 69, 76, 61, 77, 93, 86, 79, 90, 74, 67, 51, 75, 77, 82, 78, 60, 86, 72, 91, 95, 82 Complete the frequency distribution table to include all data a. Class Tallies Class Midpoint Relative Cumulative Frequency relative freq boundaries Frequency 51 57...
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 1) 85 2) 87 3) 89 4) 34
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 1) 85 2) 87 3) 89 4) 34
Question 1 15 pts Test scores for a class of 40 students are listed below: 25 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 a) The mean of the sample data is b) The median of the sample data is c) The standard deviation of the sample data is...