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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.

Statistics Tutorial DVD

Remember to fill out the email address to receive the answers and explanations.

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

 

A40

B45

C58

D65

 

 

2) If a box contains 12 circuit board in which 2 of them are defection, if you randomly select two of the circuit boards (without replacement) what is the probability they are both defective?
  A1/66

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?

  A0.00024

B0.02

C0.012

D0.21

 

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

  A8

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.

  A1.28

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?.

  A0.33

B0.57

C0.6501

D0.7703

 

 

Please let us know how we can further assist you in preparing for the Dante exam or Statistics course. (DVDs, Online Tutoring, etc.)