Unit 6 Test Statistics Backup

1

Ms. Parker determined that the mean test score in her first-period class was 81 with a standard deviation of 7.06. The mean test score in her second-period class was 88 with a standard deviation of 8.24. Which conclusion can be made about her students’ test scores?

1

Kyle created the box plot based on the data shown:

1, 5, 5, 6, 1, 8, 3, 5, 6, 6, 7, 8, 2, 3, 4, 8

Where did Kyle make a mistake in creating the box plot?

1

Athena compared her science and math test grades. Her results are shown below. Math: 94, 82, 99, 87, 93, 88, 41, 94, 90 Science: 71, 75, 81, 79, 82, 77, 78, 75, 79 Which statement describes the data sets?

1

Jason recorded the annual salary, in millions of dollars, for twelve professional athletes in the table below.
Jason calculated the mean and the median salaries. Then, Jason added an additional player’s salary of $21 million to the table. How did this additional salary affect the mean and the median?

1

For a set of data, the lower quartile is 19, the median is 31, and the upper quartile is 48. Which value would be an outlier using 1.5 × IQR criteria?

1

Which of the box-and-whisker plots represent data that has a median of 18 and a lower quartile of 16?

1

Jason recorded the number of minutes he practiced playing the piano each day for two weeks. The results are listed below. Week 1: 20, 30, 30, 20, 30, 35, 25 Week 2: 20, 35, 25, 35, 35, 40, 30 What was the approximate difference in the mean number of minutes Jason practiced each week?

1

The salaries, in thousands of dollars, of employees at two different small businesses are listed below.

Business 1: 20, 30, 35, 45, 50, 80

Business 2: 25, 30, 40, 40, 45, 75

What is the difference in the interquartile ranges of the salaries at each business?

1

Dave records the number of hours he spent watching television each day for a period of 10 days as shown.

5, 1, 2, 6, 3, 4, 7, 8, 10, 4

Which box-and-whisker plot represents the data he recorded?

1

A card store sells greeting cards that range from less than $1 to $10. The histogram below shows the distribution of cards throughout several price ranges and was determined to be the most accurate way of representing these data.
Which of these most likely describes the data shown in the histogram?

1

In a gym class, each student counted how many sit-ups he could do in one minute. The frequency data are shown in the table below. The class has 41 students.

1

The histogram below shows the ages of the members of a club.
Which of these correctly describes the data shown in the histogram?

1

John recorded the number of rotten tomatoes in each crate delivered to a store.
Which histogram correctly represents the data from the table?

1

Linda’s quiz scores are 95, 88, 98, 92, 100, and 50. If the outlier is removed, how is the shape of the distribution of the scores affected?

1

The number of sandwiches sold by four stores during one week is shown in the graphs. Which store has the MOST skewed data?

If you are completeing this assignment after the due date or have made changes after grades were entered into Powerschool, you MUST complete this form: https://forms.gle/k25K1MfPb6Xtdfgg7

Ms. Parker determined that the mean test score in her first-period class was 81 with a standard deviation of 7.06. The mean test score in her second-period class was 88 with a standard deviation of 8.24. Which conclusion can be made about her students’ test scores?

Kyle created the box plot based on the data shown:1, 5, 5, 6, 1, 8, 3, 5, 6, 6, 7, 8, 2, 3, 4, 8Where did Kyle make a mistake in creating the box plot?

Athena compared her science and math test grades. Her results are shown below. Math: 94, 82, 99, 87, 93, 88, 41, 94, 90 Science: 71, 75, 81, 79, 82, 77, 78, 75, 79 Which statement describes the data sets?

For a set of data, the lower quartile is 19, the median is 31, and the upper quartile is 48. Which value would be an outlier using 1.5 × IQR criteria?

Which of the box-and-whisker plots represent data that has a median of 18 and a lower quartile of 16?

Jason recorded the number of minutes he practiced playing the piano each day for two weeks. The results are listed below. Week 1: 20, 30, 30, 20, 30, 35, 25 Week 2: 20, 35, 25, 35, 35, 40, 30 What was the approximate difference in the mean number of minutes Jason practiced each week?

The salaries, in thousands of dollars, of employees at two different small businesses are listed below.Business 1: 20, 30, 35, 45, 50, 80Business 2: 25, 30, 40, 40, 45, 75What is the difference in the interquartile ranges of the salaries at each business?

Dave records the number of hours he spent watching television each day for a period of 10 days as shown.5, 1, 2, 6, 3, 4, 7, 8, 10, 4Which box-and-whisker plot represents the data he recorded?

A card store sells greeting cards that range from less than $1 to $10. The histogram below shows the distribution of cards throughout several price ranges and was determined to be the most accurate way of representing these data.Which of these most likely describes the data shown in the histogram?

In a gym class, each student counted how many sit-ups he could do in one minute. The frequency data are shown in the table below. The class has 41 students.

The histogram below shows the ages of the members of a club.Which of these correctly describes the data shown in the histogram?

John recorded the number of rotten tomatoes in each crate delivered to a store.Which histogram correctly represents the data from the table?

Linda’s quiz scores are 95, 88, 98, 92, 100, and 50. If the outlier is removed, how is the shape of the distribution of the scores affected?

The number of sandwiches sold by four stores during one week is shown in the graphs. Which store has the MOST skewed data?

Kyle created the box plot based on the data shown:

1, 5, 5, 6, 1, 8, 3, 5, 6, 6, 7, 8, 2, 3, 4, 8

Where did Kyle make a mistake in creating the box plot?

The salaries, in thousands of dollars, of employees at two different small businesses are listed below.

Business 1: 20, 30, 35, 45, 50, 80

Business 2: 25, 30, 40, 40, 45, 75

What is the difference in the interquartile ranges of the salaries at each business?

Dave records the number of hours he spent watching television each day for a period of 10 days as shown.

5, 1, 2, 6, 3, 4, 7, 8, 10, 4

Which box-and-whisker plot represents the data he recorded?

A card store sells greeting cards that range from less than $1 to $10. The histogram below shows the distribution of cards throughout several price ranges and was determined to be the most accurate way of representing these data.
Which of these most likely describes the data shown in the histogram?

The histogram below shows the ages of the members of a club.
Which of these correctly describes the data shown in the histogram?

John recorded the number of rotten tomatoes in each crate delivered to a store.
Which histogram correctly represents the data from the table?