Question: Follow the 6 steps in Hypothesis Testing. Set up the hypotheses and check conditions. Decide on the significance level Calculate the test statistic Calculate probability

Follow the 6 steps in Hypothesis Testing.

Set up the hypotheses and check conditions.
Decide on the significance level
Calculate the test statistic
Calculate probability value (p-value), or find the rejection region
Make a decision about the null hypothesis
State an overall conclusion.

2. A group of 266 healthy men and women were grouped according

that caused colds. The data is summarized in the table below. Does

2. A group of 266 healthy men and women were grouped according to their number of relationships. They were then exposed to a virus that caused colds. The data is summarized in the table below. Does the data provide sufficient evidence to indicate that susceptibility to colds is affected by the number of relationships you have? Contacted cold? Number of Relationships 3 or less 4 to 5 6 or more Yes 49 43 34 No 31 47 62

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