Algebra 2B Unit 6 Review - Modeling Data Distributions

Some test scores are shown in the histogram. Which option best describes the shape of the test scores?

• symmetric

• skewed left

• skewed right

• uniform

Given that men’s height data are normally distributed, which graph could represent men's heights?

• 
• 
• 
• 

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Based on the bar graph, what is the mode height range?

• 40-45 inches

• 55-60 inches

• 65-70 inches

• 75-80 inches

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which option best describes the shape of the data displayed in the histogram?

• unimodal, symmetric

• skewed right and left

• bimodal, symmetric

• uniform, symmetric

A histogram displaying some height data is shown.

Select three true statements.

• The graph is skewed right.

• The mean is 45-50 inches.

• mode = median

• median > mode

• mean > median

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Tags

CCSS.HSS.ID.A.4

Find the mean for the following data set. Round to the nearest tenth.

11, 14, 15, 15, 16, 16, 17, 18, 19, 23

Mathematical Equivalence

ON

Tags

CCSS.6.SP.B.5C

Find the standard deviation for the following data set.

11, 14, 15, 15, 16, 16, 17, 18, 19, 23

Round to the nearest tenth.

Use the image to answer the question. Which number is the best estimate of the standard deviation for the distribution shown?

• 4

• 8

• 16

• 20

Which two statements about the curves is true?

Select two true statements.

• Curve C has the smallest standard deviation.

• Curve A has the smallest mode.

• Curve C has the smallest mean

• Curve A has the smallest standard deviation

Tags

CCSS.HSS.ID.A.3