A hungry instructor who forgot his wallet asks the students in his class to take out and count the change (coins) they have in their pockets. This variable may best be described as being measured at the ______ level of measurement.

A) nominal
B) ordinal
C) interval
D) ratio

At the end of April, Brad had $7,500 in his daily interest savings account. On the 13^th of May he deposited another $3,500. He made no other deposits or withdrawals in May. The simple interest rate throughout May was 3.7%. How much interest did Brad earn on this savings account in May?

A) $16.83
B) $30.31
C) $21.99
D) $39.52
E) $46.17

The test scores of 19 students are listed below.Find the upper quartile (Q3) by hand. 36 45 49 53 55
56 59 61 62 65
67 71 75 79 82
88 90 92 97

A) 55.5
B) 82.0
C) 65.0
D) 79.0
E) 80.5

Imagine the value of a statistic is greater than the critical value for α = .05 but less than the critical value for α = .01. Which is the MOST appropriate way to report the level of significance?

A) p < .01
B) p > .01
C) p < .05
D) p > .05

Five years ago, the Alexander family purchased a house for 570,000. They amortized the loan over 25 years, and paid for the mortgage through monthly payments over 5 years at a current interest rate of 5.5% compounded monthly. The mortgage is about to be refinanced, and interest rates have dropped 5.5% to 5.1% compounded monthly. Determine how much the Alexander family will save on each month's payment.

A) Savings of $113.96
B) Savings of $120.96
C) Savings of S127.96
D) Savings of $134.96
E) Savings of S141.96

A test is being conducted to test the difference between two population means using data that are gathered from a matched pairs experiment. If the paired differences are normal, then the distribution used for testing is the:

A) normal distribution
B) binomial distribution
C) Student t-distribution
D) F distribution
E) paired distribution