Concept explainers
For Exercises 5 through 18, perform these steps.
a. State the hypotheses and identify the claim.
b. Find the critical value.
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
12. Ages of Head Start Program Students The Head Start Program provides a wide
Source: New York Times Almanac/ www.fedstats.dhhs.gov
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ELEMENTARY STATS: STEP BY STEP - CONNECT
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