Question

In: Statistics and Probability

In a college freshman Math course, the following grades were recorded: 45 57 38 56 45...

In a college freshman Math course, the following grades were recorded:

45 57 38 56 45 64 29 49 48 41 37 48 61 36 34 72 47 54 41 50 55 26 47 41 47 36 49 71 55 62

Determine the mean, median, mode(s), quartile 1, quartile 3, and IQR for the data given

Solutions

Expert Solution

45 57 38 56 45 64 29 49 48 41 37 48 61 36 34 72 47 54 41 50 55 26 47 41 47 36 49 71 55 62

The Median is the middle number in the set of ordered data.

Sort the data in ascending order

26 29 34 36 36 37 38 41 41 41 45 45 47 47 47 48 48 49 49 50 54 55 55 56 57 61 62 64 71 72

The Mode is the number that occurs more often.

Sort the data in ascending order

26 29 34 36 36 37 38 41 41 41 45 45 47 47 47 48 48 49 49 50 54 55 55 56 57 61 62 64 71 72

Here 41, 47 occurs more often.

Sort the data in ascending order

26 29 34 36 36 37 38 41 41 41 45 45 47 47 47 48 48 49 49 50 54 55 55 56 57 61 62 64 71 72

Sort the data in ascending order

26 29 34 36 36 37 38 41 41 41 45 45 47 47 47 48 48 49 49 50 54 55 55 56 57 61 62 64 71 72

orchestra answered 2 years ago
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