Section 9 Statistics Homework

1. Correctly classify the examples listed as one of the following either (C) Categorical, (DQ) Discrete Quantitative, or (CQ) Continuous Quantitative. Select your answer.

i___ Distance that a golf ball was hit.

ii___ Size of shoe

iii___ Favorite ice cream

iv___ Favorite number

v___ Number of homework problems.

• i. DQ ii. CQ iii. C iv. DQ v. CQ

• i. CQ ii. CQ iii. C iv. DQ v. DQ

• i. CQ ii. DQ iii. C iv. CQ v. DQ

• i. DQ ii. C iii. C iv. DQ v. DQ

1. Students in Ms. Multifry’s class were surveyed about the number of pets they have. Their responses were recorded below: 0,0,0,0,1,1,1,1,1,1,2,2,2,2,3,3,8.

What is the median, maximum, minimum?

Is there an outlier? If so, what is the outlier?

• median: 1

  maximum: 8

  minimum: 0

  outlier: Yes, 8

• median: 2

  maximum: 3

  minimum: 0

  outlier: Yes, 8

• median: 2

  maximum: 8

  minimum: 0

  outlier: No

• median: 3

  maximum: 8

  minimum: 0

  outlier: No

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Select all sets of data where it would be better to use a dot plot than a histogram. (Multi-Select Question)

• Average rainfall for Miami over a year.

• Daily rainfall in Miami over a month.

• Weight of patients in a doctor’s office over a year.

• Weight of students in your class.

• Number of siblings each student in your math class has.

Select all sets of data where it would be better to use a histogram than a dot plot. (Multi-select Question)

• Average rainfall for Miami over a year.

• Daily rainfall in Miami over a month.

• Weight of patients in a doctor’s office over a year.

• Weight of students in your class.

• Number of siblings each student in your math class has.

A. Represents the lower 25% of the data

B. The middle data value when the data is ordered least to greatest.

C. The largest data value

D. Represents the first 75% of the data.

E. The smallest data value

F. Represents the middle 50% of the data.

• A. First Quartile (Q1)

  B. Median

  C. Minimum

  D. Interquartile Range (IQR)

  E. Maximum

  F. Third Quartile (Q3)

• A. First Quartile (Q1)

  B. Median

  C. Maximum

  D. Interquartile Range (IQR)

  E. Minimum

  F. Third Quartile (Q3)

• A. Third Quartile (Q3)

  B. Median

  C. Maximum

  D. First Quartile (Q1)

  E. Minimum

  F. Interquartile Range (IQR)

• A. First Quartile (Q1)

  B. Median

  C. Maximum

  D. Third Quartile (Q3)

  E. Minimum

  F. Interquartile Range (IQR)

Which statements are true about the box plot above?

• The interquartile range is 5.

• The interquartile range is 4.

• The Q3 is 9.

• The box plot represents data that has normal distribution.

• The box plot represents data that is skewed.

Which box plot has the largest interquartile range IQR?

• A

• B

• C

Which statement is true about the box plot above?

• The data represented by the box plot is skewed to the right.

• The data represented by the box plot is not skewed.

• The data represented by the box plot is skewed to the left.

• The data represented by the box plot is symmetric.

When a data set is skewed, which measure of center should be used?

• Mean

• Mode

• Median

When a data set is normally distributed, which measure of center should be used?

• Mean

• Median

• Mode