Statistics and Probability Q3 Exam Review

The shape of the Normal Curve is

• Circular

• Bell Shaped

• Spiked

• Flat

   

What is the value in the middle if the data are arrayed from the lowest to the highest value?

• Mean

• Median

• Mode

• Variance

Tags

CCSS.6.SP.B.5C

Which measures of central tendency is obtained by calculating the sum of values and dividing this figure by dividing the number of values there are in the data set?

• Mean

• Median

• Mode

• Variance

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What refers to the process of listing all the values of a random variables X together with its associated probability?

• random distribution

• Normal distribution

• Variance

• Probability distribution

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

In probability distribution, the sum of probabilities must be equal  to

• 1/2

• 2

• -1

• 1

Tags

CCSS.7.SP.C.7A

What is the mode number of breaks taken by a worker  d  during a 10 day period given the following data?    3 ,5 ,9 ,3 ,2 ,2 ,3 ,3 ,1 ,6.

• 2

• 3

• 1

• 5

Tags

CCSS.6.SP.B.5C

The following are the ages of the first ten students who  enrolled in a certain college. Find the mean.         

23 ,21 ,18 ,17 ,19 ,21 ,20 ,18 ,19 ,24. 

• 2

• 19

• 20

• 21

Tags

CCSS.6.SP.B.5C

What refers to the number that tells us how clustered or spread out the values about the mean of a data set?

• Standard Deviation

• Mean

• Median

• Mode

Which of the following statistics measures the most frequently occurring value in a set of data?

• Mean

• Median

• Mode

• Variance

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is the arithmetic mean of values 2 ,7 ,9 ,8, 3, 18,2 ?

• 7

• 8

• 9

• 11

Tags

CCSS.6.SP.B.5C