Posted by **Mary** on Sunday, February 8, 2009 at 12:59am.

ARE THESE ANSWERS CORRECT?

Directions: The playing times for 20 songs on a top-hits radio station are recorded in the chart below.

Using the times listed in the chart, circle the correct answer for questions 1-3 below.

Playing Time (minutes:seconds)

3:32 3:24 2:54 3:07 4:52 3:45 2:39 3:09 3:34 3:26

3:35 4:17 4:03 3:52 5:10 4:59 3:07 4:00 3:07 2:56

1. In a stem-and- leaf plot of this data where 33|2 represents 3:32, which of the following stems has the

fewest number of leaves?

A. 25

B. 30

C. 45

D. 51

2. In a frequency distribution of this data, how many data values are in the class 3:00 – 3:30?

A. 11

B. 5

C. 6 MY ANSWER because between 3:00- 3:30 has frequency of 6 data

D. 7

3. In a histogram of this data, which bar would have the greatest height?

A. 3:00-3:15 MY ANSWER

B. 3:15-3:30

C. 3:30-3:45

D. 3:45-4:00

Statistics - Mary, Sunday, February 8, 2009 at 12:55am

ARE THESE ANSWERS CORRECT?

Directions: The playing times for 20 songs on a top-hits radio station are recorded in the chart below.

Using the times listed in the chart, circle the correct answer for questions 1-3 below.

Playing Time (minutes:seconds)

3:32 3:24 2:54 3:07 4:52 3:45 2:39 3:09 3:34 3:26

3:35 4:17 4:03 3:52 5:10 4:59 3:07 4:00 3:07 2:56

1. In a stem-and- leaf plot of this data where 33|2 represents 3:32, which of the following stems has the

fewest number of leaves?

A. 25

B. 30 MY ANSWER

C. 45

D. 51

2. In a frequency distribution of this data, how many data values are in the class 3:00 – 3:30?

A. 11

B. 5

C. 6 MY ANSWER because between 3:00- 3:30 has frequency of 6 data

D. 7

3. In a histogram of this data, which bar would have the greatest height?

A. 3:00-3:15 MY ANSWER

B. 3:15-3:30

C. 3:30-3:45

D. 3:45-4:00

- Pre-calculus -
**Damon**, Sunday, February 8, 2009 at 6:42am
I changed : to . so I could use ordering software

2.39,

2.54,

2.56,

3.07,

3.07,

3.07,

3.09,

3.24,

3.26,

3.32,

3.34,

3.35,

3.45, note on boundary for part 3

3.52,

4,

4.03,

4.17,

4.52,

4.59,

5.1

- Pre-calculus -
**james**, Thursday, January 31, 2013 at 8:48am
1 D. 2 C. 3 A.

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