Unit 12 Statistics Review

When do you use the mean?

• When data is skewed

• When data is positive

• When data is negative

• When data is symmetrical

When do we use median?

• When data is symmetrical

• When data is positive

• When data is skewed

• When data is negative

Symmetrical data has a long tail at the end of the box plot

• True

• False

Skewed data has a long tail

• True

• Falso

This shows a negative correlation

• False

• True

This shows a negative correlation

• True

• False

To find a line of best fit, what do you press in your calculator?

• 2-var stats

• 1-var stats

• Lin-reg

• Exp-reg

what letter represents the correlation coefficient?

• a

• r

• c

• x

What setting should we press in order to create a box plot? (How do we find min,q1,median,q3,max)

• quad reg

• exp reg

• lin reg

• 1 var stats

What is the standard deviation for the data given:

{5, 10, 7, 12, 0, 20, 15, 22, 8, 2}

• 6.89

• 10.1

• 7.26

• 9

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.4