6th Grade: Statistics Quiz

How do you know that this dot plot displays the answers to a statistical question?

• Various data are shown.

• All data values are the same.

• The data are numerical.

• Students were all asked the same question.

Tags

CCSS.6.SP.A.1

The ages of 10 boys are listed below.

7, 6, 8, 6, 8, 7, 8, 7, 8, 6

• The data have range 2, and are otherwise unrelated.

• The data are evenly distributed, with a mean of 7.1.

• The data contain outliers, so the mean is not the best measure.

• The data has no mode.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Chad earned the following test scores:

70, 85, 100, 87, 80, 70, 95, 91

Which measure would you use to show how much he improved?

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Miguel listed the ages of his cousins in years:

2, 4, 18, 2, 7, 14, 16, 7

The median of the data is

​ (a)   ,the third quartile is ​ (b)   , and the first quartile is​ (c)   .

• 7
• 15
• 3
• 8
• 9
• 1
• 2
• 4
• 12
• 16

Tags

CCSS.6.SP.B.5C

Match the following box-and-whisker vocabulary with its discription.

• line inside the box

• 3rd quartile

• the beginning of the box

• upper extreme

  (maximum)

• the end of the box

• 2nd quartile (median)

• the smallest number

• 1st quartile

• the biggest number

• lower extreme (minimum)

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Match the following central tendencies vocabulary with the definition.

• occurs most

• Range

• average

• Mean

• biggest # minus smallest #

• Median

• middle #

• Mode

Tags

CCSS.6.SP.A.3

What is the interquartile range?

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What value is the lower quartile?

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick the smaller number of the two.

• Add the two numbers in the middle & then divide by two.

• They are both the median

• Add the two numbers in the middle & then multiply by two.

Tags

CCSS.6.SP.B.5C

2. Which of the following best describes the process of finding the interquartile range for a set of data?

• Add the biggest and smallest numbers.
• Place the numbers in order from least to greatest and find the middle.
• Find the difference between the maximum and the minimum.
• Subtract Q1 from Q3.

Tags

CCSS.6.SP.B.5C