Sharp EL-9600 Calculator User Manual


 
88 Blackline Masters/STATISTICS USING THE SHARP EL-9600
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Activity 1 Perform a one-small-sample hypothesis test for
the population mean.
The amount of money spent by 12 randomly selected customers at a
supermarket is provided below. Enter the data in L1 and test the alternate
hypothesis that the average spent is more than $75.
98 79 151 38 116 55
42 61 88 64 120 93
Alternate hypothesis is _______________
p = __________
Decision is to _______________ the null hypothesis that µo=75.
Activity 2 Perform a two-small-sample hypothesis test for
the population means.
The time in minutes to assemble a product using two different procedures is
provided below. Enter Procedure 1's times into L1 and Procedure 2's times into
L2. Test the alternative hypothesis that Procedure 1 provides higher times than
Procedure 2. Pool the standard deviations for the test.
Pr
ocedure 1 54 61 58 56 63 52 60
Pr
ocedure 2 50 56 56 59 53 47 52
Alternate hypothesis is _______________
p = __________
Decision is to _______________ the null hypothesis that µ1=µ2.
STATISTICAL TESTS
10.3
NAME _____________________________________________________ CLASS __________ DATE __________