Chapter 11: Q.27 (page 656)
Short Answer
The degree of freedom.
Chapter 11: Q.27 (page 656)
The degree of freedom.
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A company packages apples by weight. One of the weight grades is Class apples. Class apples have a mean weight of , and there is a maximum allowed weight tolerance of above or below the mean for apples in the same consumer package. A batch of apples is selected to be included in a Classapple package. Given the following apple weights of the batch, does the fruit comply with the Class grade weight tolerance requirements. Conduct an appropriate hypothesis test.
(a) at the significance level
(b) at the significance level Weights in selected apple batch (in grams): ; ; ; ;; ; ; ; 157 ; 171; 152; 161 ; 141; 166; 172;
Where is located on a chi-square curve?
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?
What are the null and alternative hypotheses for a math teacher who sees if two of her classes have the same distribution of test scores.
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