Mathematics Homework Help

Frequency Algebra Questionnaire

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How to write answers EXAMPLE question1. A question2. D

Display the set of data in a cumulative frequency histogram.

Students’ Pets

Number of Pets

Tally

Frequency

0-1

| |

2

2-3

|

1

4-5

|

1

6-7

| |

2

8-9

| | |

3

Question 1 options:

Question 2 (5 points)

The tables show the number of points scored by two basketball teams this season.

Red Hawks

Points Scored

42 59 50 37 36 43 44 38
40 56 49 52 46 47 55 31

Hurricanes

Points Scored

45 40 49 42 50 46 45 37
40 42 51 48 45 43 46 47

Use a graphing calculator to construct a box-and-whisker plot for the Red Hawks’ number of points scored. Describe the shape of the distribution.

Question 2 options:

Question 3 (5 points)

Find the mean. Round to the nearest tenth if necessary.

29, 22, 16, 10, 21, 23, 22, 29

Question 3 options:

Question 4 (5 points)

The table shows the grade that 4 students received on a math test. Find the bar graph that represents the grades.

Student

Marks

John

71

Tyler

60

Jack

77

Levi

60

Question 4 options:

Question 5 (5 points)

Display the set of data in a histogram.

Weekly TV Viewing

Time (hrs)

Tally

Frequency

0 – 4

3

5 – 9

14

10 – 14

7

15 – 19

12

Question 5 options:

Question 6 (5 points)

Use a graphing calculator to construct a histogram for the data, and use it to describe the shape of the distribution.

9, 12, 12, 6, 22, 32, 35, 37, 8, 4, 40, 6, 4, 10, 22, 34, 35, 29

16, 15, 13, 17, 18, 20, 13, 13, 18, 24, 23, 10, 16, 22, 10, 13, 26, 20

Question 6 options:

Question 7 (5 points)

Find the median. Round to the nearest tenth if necessary.

49, 13.9, 5.9, 16.6, 43.1, 11.2, 36.8, 43.7, 22.9, 45.1, 44.2

Question 7 options:

Question 8 (5 points)

Describe the center and spread of the data using either the mean and standard deviation or the five-number summary. Justify your choice by constructing a histogram for the data.

9, 1, 29, 10, 5, 39, 29, 4, 24, 8, 3, 33, 13, 32, 23, 32, 39, 10

18, 26, 26, 10, 9, 18, 15, 17, 12, 18, 9, 15, 9, 24, 12, 22, 20, 15

Question 8 options:

range: 38, median: 16, half of the data are between 9.5 and 25

mean: 17.7, standard deviation: 100

Question 9 (5 points)

Find the median. Round to the nearest tenth if necessary.

35, 24, 32, 24, 17, 33, 39, 23

Question 9 options:

Question 10 (5 points)

Find the mode of each set of data.

23, 30, 36, 29, 19, 33, 15, 36

Question 10 options:

Question 11 (5 points)

The tables show the number of points scored by two basketball teams this season.

Red Hawks

Points Scored

42 59 50 37 36 43 44 38
40 56 49 52 46 47 55 31

Hurricanes

Points Scored

45 40 49 42 50 46 45 37
40 42 51 48 45 43 46 47

What conclusion can you draw about the number of points scored by the Red Hawks and the Hurricanes?

Question 11 options:

Question 12 (5 points)

Draw a dot plot for the set of data.

0, 3, 1, 3, 1, 2, 1, 5, 2, 0, 1, 2

Question 12 options:

Question 13 (5 points)

Display the set of data in a cumulative frequency histogram.

Students’ Pets

Number of Pets

Tally

Frequency

0-1

| | |

3

2-3

| |

2

4-5

| |

2

6-7

|

1

8-9

|

1

Question 13 options:

Question 14 (5 points)

The table shows the prices of electronics at a store. Find the dot plot with a scaled number line that represents the prices in the table.

Sale Prices ($)

$10.43

$36.05

$22.11

$48.92

$43.28

$40.66

$56.39

$27.00

$22.16

$19.45

$69.98

$34.82

Question 14 options:

Question 15 (5 points)

Find the variance. Round to the nearest tenth.

{6, 6, 7, 17, 20, 20}

Question 15 options:

Question 16 (5 points)

Find the mean. Round to the nearest tenth if necessary.

37.4, 11.7, 35.4, 18.6, 5.7, 48.8, 18.9, 30, 15.1, 26.6, 35.7, 40.2

Question 16 options:

Question 17 (5 points)

Find the range for each set of data.

71, 53, 102, 69, 100, 68, 104, 92, 90, 120, 64, 120, 71, 89, 105, 110

Question 17 options:

Question 18 (5 points)

Find the interquartile range.
6, 8, 9, 30, 30, 36, 38, 54, 64, 70, 75, 81, 93

Question 18 options:

Question 19 (5 points)

Find the mode of each set of data.

59, 48, 88, 24, 31, 76, 68, 88, 77, 18, 88

Question 19 options:

Question 20 (5 points)

Jason’s and Colleen’s quiz scores for the first quarter are shown in the tables below.

Jason’s Quiz Scores
13 19 18 19 17 16 18 17
14 16 11 15 19 20 18 20
Colleen’s Quiz Scores
14 11 13 14 15 12 10 11
16 12 15 12 13 13 13 14

Use a graphing calculator to construct a histogram for Jason’s quiz scores. Describe the shape of the distribution.

Question 20 options: