MATH 225N WEEK 2 ASSIGNMENT, FREQUENCY TABLES QUESTION AND ANSWERS

MATH 225N WEEK 2 ASSIGNMENT, FREQUENCY TABLES QUESTION AND ANSWERS




1. A data set is summarized in the frequency table below. Using the table, determine the number
of values less than or equal to 5. Give your answer as a single number. For example if you
found the number of values was 19, you would enter 19.




Value Frequency
3 9
4 4
5 3
6 7
7 6
8 3
9 3
10 5
11 4

Provide your answer below: 16


2. Given the frequency table, how many times does the data value 3 show up in the data set?



Data Frequency

1 3

3 5

4 2

6 3

8 11

,MATH 225N WEEK 2 ASSIGNMENT, FREQUENCY TABLES QUESTION AND ANSWERS


10 3
Answer : 5

,MATH 225N WEEK 2 ASSIGNMENT, FREQUENCY TABLES QUESTION AND ANSWERS

3. A group of students were surveyed about the number of siblings they have. The frequencies
and relative frequencies of their responses are shown in the below.

Complete the cumulative relative frequency table.




Number of Siblings Relative Frequency
0 0.18
1 0.33
2 0.16
3 0.14
4 or more 0.19

Provide your answer below:.18, .51, .67, .81, 1.0



4. Given the relative frequency table below, which of the following is the corresponding
cumulative relative frequency table?

Value
Frequency
4
0.35
5
0.2
6
0.05
7
0.4
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Select the correct answer below:


Value Frequency
4 0.3
5 0.6
6 0.65
7 1

Value Frequency
4 0.35

, MATH 225N WEEK 2 ASSIGNMENT, FREQUENCY TABLES QUESTION AND ANSWERS

5 0.6
6 0.65
7 1