1. Suppose you own a hat shop and decide to order hats in only one size for the coming season. To decide which size to order, you look at last year's sales figures, which are itemized according to size. Should you find the mean, median, or mode for the data? Why? 2. A movie chain conducts a popcorn poll in which each person entering a theater and buying a box of popcorn is asked a yes-no question. Which "average" do you think is used to report the result and why? 3. When a government agency reports the average rainfall for a state for a year, which "average" do you think it uses and why? 4. Karl had scores of \( 90,95,85 \), and 90 on his first four tests. a. Find the median, mean, and mode. b. Karl scored a 20 on his fifth exam. Which of the three averages would Karl want the instructor to use to compute his grade? Why? c. Which measure is affected most by an extreme score?

According to a food website, the mean consumption of popcorn annually by Americans is 59 quarts. The market Complete parts (a) through (c) below. (a) Determine the null and alternative hypotheses that would be used to test the effectiveness of the marketing ca \( \mathrm{H}_{0}: \) \( \mathrm{H}_{1}: \) (Type integers or decimals. Do not round.)

According to a food website, the mean consumption of popcorn annually by Americans is 62 quarts. The marketing divisi Complete parts (a) through (c) below. \( \mathrm{H}_{0}: \square \) \( \mathrm{H}_{1}: \square \mathrm{V} \) - Determine the null and alternative hypotheses that would be used to test the effectiveness of the marketing campaign.

\( 1 \leftarrow \) According to the Centers for Disease Control and Prevention, \( 9.6 \% \) of high school students currently use eleo (a) Determine the null and alternative hypotheses. \( H_{0}: \) H \( \mathrm{H}_{1}: \square \) (Type integers or decimals. Do not round.)

The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed \( H_{0}: p=0.2 \) \( H_{1}: p<0.2 \) Choose the correct answer below. Right-tailed Left-tailed Two-tailed

A can of soda is labeled as containing 11 fluid ounces. The quality control manager wants to verify that the filling machine is \( n \) (a) Determine the null and alternative hypotheses that would be used to determine if the filling machine is calibrated correctly. (Type integers or decimals. Do not round.)