Question

The table below contains data on the Grade Point Averages (GPA) for a sample of students. GPA Students [1.5, 2.0) 11 [2.0, 2.5) 20 [2.5, 3.0) 16 [3.0, 3.5) 9 [3.5, 4.0) 6 33. Estimate the average GPA of the sample. Round to two decimal places. [5 pts] 34. Estimate the standard deviation of the GPA of the sample. Round to two decimal places. [8 pts] 35. Construct a relative frequency histogram. [5 pts] 36. What is the shape of this distribution? [3 pts]

          The table below contains data on the Grade Point Averages (GPA) for a sample of students.

GPA Students
[1.5, 2.0) 11
[2.0, 2.5) 20
[2.5, 3.0) 16
[3.0, 3.5) 9
[3.5, 4.0) 6

33. Estimate the average GPA of the sample. Round to two decimal places. [5 pts]
34. Estimate the standard deviation of the GPA of the sample. Round to two decimal places. [8 pts]

35. Construct a relative frequency histogram. [5 pts]

36. What is the shape of this distribution? [3 pts]

The table below contains data on the Grade Point Averages (GPA) for a sample of students.

GPA Students
[1.5, 2.0) 11
[2.0, 2.5) 20
[2.5, 3.0) 16
[3.0, 3.5) 9
[3.5, 4.0) 6

33. Estimate the average GPA of the sample. Round to two decimal places. [5 pts]
34. Estimate the standard deviation of the GPA of the sample. Round to two decimal places. [8 pts]

35. Construct a relative frequency histogram. [5 pts]

36. What is the shape of this distribution? [3 pts]

Added by Elizabeth Z.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Sri K

09/21/2023

Step 1

To estimate the average GPA of the sample, we need to find the midpoint of each interval and multiply it by the number of students in that interval. Then, we'll sum up these products and divide by the total number of students. Midpoints: 1.75, 2.25, 2.75, 3.25, Show more…

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The table below contains data on the Grade Point Averages (GPA) for a sample of students: GPA Students [1.5, 2.0) 11 [2.0, 2.5) 20 [2.5, 3.0) 16 [3.0, 3.5) 9 [3.5, 4.0) 6 33. Estimate the average GPA of the sample. Round to two decimal places. [5 pts] 34. Estimate the standard deviation of the GPA of the sample. Round to two decimal places. [8 pts] 35. Construct a relative frequency histogram. [5 pts] 36. What is the shape of this distribution? [3 pts]