Stats Quiz 4 (Lessons 3.1 - 3.4)

Given the image of data collected, what type of variable is seating capacity?

• Categorical

• Individual

• Nominal

• Quantitative

Tags

CCSS.MATH.CONTENT.HSS.ID.B.5

Given the image of data collected, what type of variable is projector?

• Categorical

• Individual

• Nominal

• Quantitative

Tags

CCSS.MATH.CONTENT.HSS.ID.B.6

A public speaking teacher has developed a new lesson that she believes decreases student anxiety in public speaking situations more than the old lesson. She designs an experiment to test if her new lesson works better than the old lesson. Public speaking students are randomly assigned to receive either the new or old lesson; their anxiety levels during a variety of public speaking experiences are measured. In this experiment, which is the explanatory variable?

• the lesson received

• anxiety level

• number of students participating

• the place where students give their speeches

Tags

CCSS.MATH.CONTENT.HSS.ID.B.6

A public speaking teacher has developed a new lesson that she believes decreases student anxiety in public speaking situations more than the old lesson. She designs an experiment to test if her new lesson works better than the old lesson. Public speaking students are randomly assigned to receive either the new or old lesson; their anxiety levels during a variety of public speaking experiences are measured. In this experiment, which is the response variable?

• the lesson received

• anxiety level

• number of students participating

• the place where students give their speeches

Tags

CCSS.MATH.CONTENT.HSS.ID.B.6

A study was conducted to investigate the association between the number of moths caught in a moth trap (less than 250, 250–500, more than 500) and the trap type (sugar, scent, light). The results are summarized in the percentage segmented bar chart. Based on this data, the type of trap that caught the least amount of moths overall was the

• sugar trap

• light trap

• scent trap

• bear trap

Tags

CCSS.MATH.CONTENT.HSS.ID.B.6

A study was conducted to investigate the association between the number of moths caught in a moth trap (less than 250, 250–500, more than 500) and the trap type (sugar, scent, light). The results are summarized in the percentage segmented bar chart. Based on this data, the type of trap that caught the most moths overall was the

• sugar trap

• light trap

• scent trap

• bear trap

Tags

CCSS.MATH.CONTENT.HSS.ID.B.5

Given the scatterplot image, how could the correlation be described?

• no correlation

• positive correlation

• negative correlation

• decimal correlation

Tags

CCSS.MATH.CONTENT.HSS.ID.B.6

CCSS.MATH.CONTENT.HSS.ID.C.8

Given the scatterplot image, how could the correlation be described?

• no correlation

• positive correlation

• negative correlation

• fractional correlation

Tags

CCSS.MATH.CONTENT.HSS.ID.B.6

CCSS.MATH.CONTENT.HSS.ID.C.8

There is a BLANK negative association between the amount of rain and the temperature when it rains. The day with 2 cm of rain and a temperature of 3^oC is an outlier.

• weak

• moderate

• strong

• very strong

Tags

CCSS.MATH.CONTENT.HSS.ID.C.7

CCSS.MATH.CONTENT.HSS.ID.B.6.C

There is a moderately strong BLANK linear association between how much a piece of furniture weighs and how much it costs. There don't seem to be any obvious outliers.

Tags

CCSS.MATH.CONTENT.HSS.ID.B.6.C

CCSS.MATH.CONTENT.HSS.ID.C.7