Filter
Top Products
86 Blackline Masters/STATISTICS USING THE SHARP EL-9600
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Steps for performing a one-small-sample hypothesis test for
the population mean
1. Turn the calculator on and access the data entry screen. Delete old data
and enter the following data set for L1:
71076810151411
126111157997
2. Check the data you have entered and correct any errors you may find.
The data shown above reflects the number of wins for the Chicago Bears
in each season since 1978.
3. Test the alternate hypothesis that "da Bears" are a winning football team
against the null hypothesis that "da Bears" are merely a .500 ball club (8 wins).
4. Set up the statistical test by pressing 2ndF QUIT STAT , touching
E TEST, and double touching 03 Ttest1samp.
5. Set the alternate hypothesis to µ > µo by pressing ENTER .
Set the null hypothesis equal to 8 wins by pressing ▼ 8 ENTER .
Set the List to L1 by pressing 2ndF L1 ENTER .
6. Press 2ndF EXE to compute the statistical test.
7. The first item on the screen, µo>8, is the alternate hypothesis of the statistical
test. The second item on the screen is the observed statistic from the sample.
The third item on the screen is the decision statistic or p value.
8. The p value is .0482, which is less than .05. Our decision is to reject the null
hypothesis that µo=8 and support the alternate hypothesis that µo>8. This
test clearly shows that "da Bears" average more than 8 wins a season and
thus are a winning football team. The fourth item shows that on the average,
"da Bears" win approximately 9 games a season.
STATISTICAL TESTS
10.1
NAME _____________________________________________________ CLASS __________ DATE __________
▼
▼