Write the null and alternative hypotheses in words and then symbols for each of the following situations. Since 2008, chain restaurants in California have been required to display calorie counts of each menu item. Prior to menus displaying calorie counts, the average calorie intake of diners at a restaurant was 1100 calories. After calorie

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Write the null and alternative hypotheses in words and then symbols for each of the following situations.

Since 2008, chain restaurants in California have been required to display calorie counts of each menu item. Prior to menus displaying calorie counts, the average calorie intake of diners at a restaurant was 1100 calories. After calorie counts started to be displayed on menus, a nutritionist collected data on the number of calories consumed at this restaurant from a random sample of diners. Do these data provide convincing evidence of a difference in the average calorie intake of  diners at this restaurant? In symbols, the hypotheses are:

  1. __Ho: μ = 1100
    Ha: μ < 1100
  2. __Ho: μ < 1100
    Ha: μ = 1100
  3. __Ho: μ = 1100
    Ha: μ ≠ 1100
  4. __Ho: μ = 1100
    Ha: μ = 1100



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