Question

A data set of 50 comprehension scores is included below. Please answer the following questions and/or complete the following tasks.

12, 15, 11, 16, 21, 25, 21, 8, 6, 2,
22, 26, 27, 36, 34, 33, 38, 42, 44, 47,
54, 55, 45, 56, 53, 57, 45, 45, 45, 47,
43, 31, 12, 14, 15, 16, 22, 29, 54, 56,
57, 59, 54, 56, 43, 44, 41, 42, 7, 29

1. Create a frequency distribution for the data set using the table below. Please copy and paste your output below.

2. Create a histogram and frequency polygon for the data set. Please copy and paste your output below.

3. These comprehension scores are from all the 2nd grade students at a local elementary school. Their teacher used a new method to teach reading for understanding. The higher the scores (highest possible score is a 60) on the assessment equates to better understanding of the reading material. How is the 2nd grade class doing? Support your conclusion(s) with the information the frequency distribution and histogram reveal.

Answer 1

1)

class interval	frequency
1-10	4
11-20	8
21-30	9
31-40	5
41-50	13
51-60	11

2)

3)

As we can see that class is performing good overall. Overall 29 students out of 50 have scored more than 30.