Statistics IITU Board 2079
Define Type I and Type II error in testing of hypothesis. A psychologist wishes to verify that a certain drug increases the reaction time to given stimulus. The following reaction times (in tenth of…
10Define Type I and Type II error in testing of hypothesis. A psychologist wishes to verify that a certain drug increases the reaction time to given stimulus. The following reaction times (in tenth of seconds) were recorded before and after injection of the drug for each of four subjects:
Subject
1
2
3
4
Reaction Time
Before
7
2
12
12
After
13
3
18
13
Test at 5% level of significance to determine whether the drug significantly increases the reaction time.
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