Statistics Quiz

This quiz is to access you ability to setup problems and solve them. They are similar to the types of problems you will find on the Dantes Principles of Statistics. Fill out the answer below and submit to find out the answers.

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1) Find the median of 22, 60, , 48, 80, 90, and 50.

A40

B45

C58

D65

B1/72

C1/36

D1/6

3) The probability that can a soup can has a dent is 0.15 and the probability of it having a torn label is 0.08 and the probability it has a dent and a torn label is 0.02. What is the probability of a randomly selected soup can has a dent or a torn label?

B0.02

C0.012

D0.21

4) There are 20 students in the Spanish club how many different groups of 3 can be formed?

B1140

C6840

D10260

5) A survey indicates how much a household spend on a trip to the grocery store. The average was $278 with a standard deviation of $15. Find the z-score for a value of $258.

B0

C-1.33

D-2.50

6) Using the data from problem 5. If a person at random is chosen what is the probability that their grocery bill will be between $250 and $280?.

B0.57

C0.6501

D0.7703

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