Question

50 students in Statistics took their final examination. The data were quantified as shown in the table below. Find the mean, the median, the crude mode and the true mode. Class Intervals Frequency 86 - 90 8 81 - 85 5 76 - 80 7 71 - 75 9 66 - 70 10 61 - 65 4 56 - 60 3 51 - 55 4

          50 students in Statistics took their final examination. The data were quantified as shown in the table below. Find the mean, the median, the crude mode and the true mode.
Class Intervals
Frequency
86 - 90
8
81 - 85
5
76 - 80
7
71 - 75
9
66 - 70
10
61 - 65
4
56 - 60
3
51 - 55
4

50 students in Statistics took their final examination. The data were quantified as shown in the table below. Find the mean, the median, the crude mode and the true mode.
Class Intervals
Frequency
86 - 90
8
81 - 85
5
76 - 80
7
71 - 75
9
66 - 70
10
61 - 65
4
56 - 60
3
51 - 55
4

Added by Darryl A.

Calculus: Early Transcendentals

James Stewart 8th Edition

Instant Answer

Solved by Expert Jerelyn Nevil

09/05/2023

Step 1

To find the midpoint, we add the lower and upper limits of each class interval and divide by 2. Midpoint of 86-90 = (86 + 90) / 2 = 88 Midpoint of 81-85 = (81 + 85) / 2 = 83 Midpoint of 76-80 = (76 + 80) / 2 = 78 Midpoint of 71-75 = (71 + 75) / 2 = 73 Midpoint of Show more…

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50 students in Statistics took their final examination. The data were quantified as shown in the table below. Find the mean, the median, the crude mode and the true mode. Class Intervals Frequency 86 - 90 8 81 - 85 5 76 - 80 7 71 - 75 9 66 - 70 10 61 - 65 4 56 - 60 3 51 - 55 4