Chapter 11: Q.37 (page 656)
test statistics ------
The value of test statistics is.
Given data
To find the test statistics:
Test StatistIcs
or
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A teacher predict that the distribution of grades on the final exam will be and they are recorded in table 11.27
The actual distribution for a class of 20 is in table 11.28
At thesignificance level, what can you conclude?
An ice cream maker performs a nationwide survey about favorite flavors of ice cream in different geographic areas of the U.S. Based on the Table, do the numbers suggest that geographic location is independent of favorite ice cream flavors? Test at the significance level.
A teacher predict that the distribution of grades on the final exam will be and they are recorded in table 11.27
The actual distribution for a class of 20 is in table 11.28
State the null and alternative hypothesis
Is this a right-tailed, left-tailed, or two-tailed test?
Read the statement and decide whether it is true or false:
In a goodness-of-fit test, the expected values are the values we would expect if the null hypothesis were true.
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