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Ohio University Statistics Quiz Questions

Ohio University Statistics Quiz Questions

I’m studying for my Statistics class and don’t understand how to answer this. Can you help me study?

Instructions

Instructions

If the question requires computation, do the calculations and then give or select the correct values using the following rule:

Keep at least 4 decimal places at intermediate steps of a calculation, and round your final answer to 2 decimal places, unless otherwise noted.

For example:
16.6667 would become 16.67 after rounding

(In the course notes for Module 7, probabilities such .678934 are instead rounded to four decimal places, so the correct way to report the aforementioned probability is .6789)

Multiple Attempts This test allows 2 attempts. This is attempt number 1.
Force Completion This test can be saved and resumed later.
Your answers are saved automatically.

1

Questions 1-4 are based on the following information:

You and your friends have decided to go to The Kentucky Derby. There are 12 horses in the race. How many ways can the horses come in first, second, or third?

This an example of a __________ problem?

Question 2

Questions 1-4 are based on the following information:

You and your friends have decided to go to The Kentucky Derby. There are 12 horses in the race. How many ways can the horses come in first, second, or third?

What is the numeric value of N?

3

12

1320

none of the above

Question 3

Questions 1-4 are based on the following information:

You and your friends have decided to go to The Kentucky Derby. There are 12 horses in the race. How many ways can the horses come in first, second, or third?

What is the numeric value of r?

3

12

1320

none of the above

Question 4

Questions 1-4 are based on the following information:

You and your friends have decided to go to The Kentucky Derby. There are 12 horses in the race. How many ways can the horses come in first, second, or third?

What is the calculated value (solution) for this example?

3

12

1320

none of the above

Question 5

A security system uses a 2-letter password, but no letter can be used more than once. How many possible passwords are there if 5 of the letters of the alphabet can be used by the system? (Use these numbers for this question only!)

For this question indicate only what the value of N is?

Question 6

A security system uses a 8-letter password, but no letter can be used more than once. How many possible passwords are there if 23 of the letters of the alphabet can be used by the system? (Use these numbers for this question only!)

For this question indicate only what the value of r is?


Question 7

A security system uses a four-letter password, but no letter can be used more than once. How many possible passwords are there if 26 of the letters of the alphabet can be used by the system? (Use these numbers for this question only!

Question 8

How many ways are there to select a subcommittee of 7 members from among a committee of 38? (Use these numbers for this question only!)

Question 9

You have 12 friends with whom you like to play golf. However, the golf cart only seats 4 people. Since you will take up one seat, you can only play with 3 friends at one time. How many different groups of golfers can you have?

This an example of

Combination

Permutation

Inverted statistical combination

Inverted statistical permutation

Question 10

You have 71 friends with whom you like to play golf. However, the golf cart only seats 4 people. Since you will take up one seat, you can only play with 3 friends at one time. How many different groups of golfers can you have? (Use these numbers for this question only!)

What is the value of N in this example?

Question 11

You and your friends have decided to go to the horse races. There are 10 horses in the first race. How many different ways can the horses come in first, second, and third?

Question 12

6! Is equal to what number?

Question 13

Which of the following statements is a true statement?

Question 14

Which statement below is false regarding the CPI?

Question 15

Using 1995 as the base period, the price index for cars is now 140. What does this index number mean?

Question 16

A _________ economic indicator is one whose changes precede changes in the economy.

Question 17

One criticism of the CPI is that the market basket used in the CPI may not reflect current spending priorities. Which of the following is an example of this?

Question 18

The CPI’s at the start of each decade from 1950 to 2005 were:

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What was the rate of inflation for the 1960s, as measured by the percentage change in the CPI?

9.2%

22.8%

23.7%

31.1%

Question 19

The CPI’s at the start of each decade from 1950 to 2005 were:

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What was the rate of inflation for the 1980s, as measured by the percentage change in the CPI?

37.0%

48.3%

58.6%

112.4%

Question 20

Which of the following is not one of the 8 major categories of the CPI, as of 1998?

Question 21

If rent for a particular apartment was $477/month in 1980 (CPI = 82.4), what would be the comparable rent in 1990 (CPI 130.7)? Round your answer to the nearest cent (i.e. two decimal places). Only enter the number, not the dollar sign ($).

Question 22

What was the original base year for the CPI?

Question 23

The Consumer Price Index

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