The following lists the costs of name brand drugs and the corresponding generic drug before insurance. We are interested in testing to see if there is a significant difference in the costs.
ROUND TO FOUR DECIMAL PLACES
Drug |
Name Brand Drug |
Generic Drug |
1 |
1262 |
1964 |
2 |
4108 |
1755 |
3 |
1864 |
2302 |
4 |
1829 |
1682 |
5 |
2059 |
1851 |
6 |
1020 |
3050 |
a. Find .
b. Find
c. Find the test statistic for this type of data.
d. Find the critical value at 98% confidence.
e. What conclusion would be made here at 98% confidence?
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