Algebra M1L23

How does the shape of a distribution help us decide which measures of center and spread to use?

• It determines the mean and median

• It helps identify outliers and determine distribution

• It guides the choice of mean or median and range or interquartile range

• It shows the mode

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is the typical age of a person in the sample?

• 30 years

• 90 years

• 70 years

• 50 years

What measure of center did you use to calculate a typical age in part? Justify your choice.

• Mean, because it considers all data points

• Median, because it is less affected by outliers

• Mode, because it is the most frequent value

• Range, because it shows the spread

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What measure of spread is commonly used to calculate the spread in data analysis?

• Mean

• Median

• Range

• Mode

Tags

CCSS.6.SP.A.3

What was the purpose of the reading fluency test conducted by the principal?

• To measure the number of words history events they remember accurately in one minute

• To evaluate students' writing skills in one minute

• To assess students' math abilities in one minute

• To measure the number of words students read accurately in one minute

Tags

CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RL.6.7

CCSS.RL.7.7

CCSS.RL.8.7

How many eighth grade students were selected for the reading fluency test?

• 100

• 50

• 150

• 200

Tags

CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RL.6.7

CCSS.RL.7.7

CCSS.RL.8.7

Which sentences represent the eighth grade reading test results?

• The numbers of words read fluently in the spring and fall tests both have approximately

  symmetric distributions

• The numbers of words read fluently in the spring and fall tests have skewed right distributions

• The numbers of words read fluently in the spring and fall tests both have symmetric distributions

• The numbers of words read fluently in the spring and fall tests have skewed right distributions

Tags

CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RL.7.7

CCSS.RL.8.7

Which sentences represent the eighth grade reading test results?

• The typical number of words read fluently in the spring test is about

  20 less than the fall test.

• The typical number of words read fluently in the spring test is about

  15 less than the fall test.

• The typical number of words read fluently in the spring test is about

  20 more than the fall test.

• The typical number of words read fluently in the fall test is about

  20 more than the spring test.

Tags

CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RL.6.7

CCSS.RL.7.7

CCSS.RL.8.7

Which sentences represent the eighth grade reading test results?

• The overall spread in the number

  of words read in the fall and spring tests is the same.

• The overall spread in the number

  of words read in the fall and spring tests is similar, with a slightly smaller spread in the spring.

• The overall spread in the number

  of words read in the fall and spring tests is similar, with a slightly larger spread in the spring.

• The overall spread in the number

  of words read in the fall and spring tests is similar, with a slight skew right.

Tags

CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RL.7.7

CCSS.RL.8.7

What do the graphs for the Blue Socks and Black Socks baseball teams show?

• The number of runs scored per game for a random sample of 30 games

• The number of home runs hit in a season

• The number of games won in a season

• The number of home runs on each team

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1