Statistics and Data Review

Mrs. Sanchez made a box plot to record her first period's quiz scores. Based on the data in the box plot, which statement could be true?

• There is the same number of students with a grade below 64 as students who scored above a 64.

• The most common grade was a 64.

• The range of scores is 95.

• There are more students who scored between a 30 and 60 than a 60 and 70.

The box plot shows the amount of money for collected by 6th grade students for a fundraiser. Which statement about the center, shape, and spread is best supported by this graph?

• The center of the data is about $225 and the spread is from $50 to $400.

• The center of the data is $200 and the spread of the data is from $100 to $300.

• The center of the data is about $225 and the spread of the data is from $100 to $300.

• The center of the data is $200 and the spread of the data is from $50 to $400

Stella recorded the ages of grandparents belonging to students in her class. The stem-and-leaf plot below shows the ages of the grandparents. Identify the median, mode, and range of the data distribution.

• median is 68.5, mode is 68 & 72, and range is 62

• median is 72, mode is 72, and range is 62

• median is 68, mode is 68 & 72, and range is 2

• median is 68, mode is 68 & 72, and range is 62

The list shows the number of students enrolled in the 6th grade at Greenways for the last 5 years. What is the range of these data?

742, 802, 784, 822, 401

• 401

• 421

• 784

• 383

This data is

• symmetrical

• skewed right

• skewed left

• 15, 25, 35, 45, 55, 115

• Skewed Left

• 15, 75, 85, 95, 105, 115

• Skewed Right

• 15, 25, 35, 45, 55, 65

• Symmetrical

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• bell curve

What is the distribution of the data?

• skewed right

• skewed left

• symmetric

• stairsteps

When MOST of the data is clustered near the LESSER values, the data is considered to be

• Skewed Right

• Skewed Left

• Skewed High

• Skewed Low

The distribution of this data set can best be described as...

• Right-skewed

• Left-skewed

• Symmetrical

• Purple

Answer explanation

The tail is on the right, so it is right-skewed.