Question

The following are heights of a rural middle school’s eighth graders. The heights are rounded to...

The following are heights of a rural middle school’s eighth graders. The heights are rounded to the nearest inch. Use this information for questions 6-10.

 50 53 54 56 58 59 60 60 62 63 51 53 55 56 58 59 60 61 62 63 51 53 55 57 58 59 60 61 62 63 52 54 56 57 58 59 60 61 62 64 52 54 56 57 58 59 60 62 63 64

6.) Are the heights quantitative data or categorical data?

Quantitative

7.) What is the level of measurement of the heights? (nominal, ordinal, interval, or ratio)

Ratio

8.) If you constructed a frequency distribution with 5 classes, what would be the class width?

50-58= 8

9.) Write the definition of class width below (do not write the formula).

The difference between two consecutive upper and lower class limits

10.) Construct a frequency distribution with 5 classes by filling in the boxes below.

 Heights of a Rural Middle School’s Eighth Graders (nearest inch) Height Midpoint Frequency Relative Frequency

The following are heights of a rural middle school’s eighth graders. The heights are rounded to the nearest inch. Use this information for questions 6-10.

 50 53 54 56 58 59 60 60 62 63 51 53 55 56 58 59 60 61 62 63 51 53 55 57 58 59 60 61 62 63 52 54 56 57 58 59 60 61 62 64 52 54 56 57 58 59 60 62 63 64

6.) Are the heights quantitative data or categorical data?

Quantitative

7.) What is the level of measurement of the heights? (nominal, ordinal, interval, or ratio)

Ratio

8.) If you constructed a frequency distribution with 5 classes, what would be the class width?

50-58= 8

9.) Write the definition of class width below (do not write the formula).

The difference between two consecutive upper and lower class limits

10.) Construct a frequency distribution with 5 classes by filling in the boxes below.

 Heights of a Rural Middle School’s Eighth Graders (nearest inch) Height Midpoint Frequency Relative Frequency