"20% think pandemic is improving, 22% staying same, 58% getting worse"

• State your variable and proportion.
• Calculate the standard deviation for the average of sample size 100 showing the calculation.
• Make up a data value that is similar near your proportion. larger or smaller.
• Calculate the z-score for the made-up value showing the work for your calculation.
• Calculate the probability that the average of sample size 100 is less than your made up data value showing your calculation.
• The population proportion is 100,000

Americans' Assessments of Coronavirus Situation What's your impression of the coronavirus situation in the U.S. today? - % Getting a lot/a little better .... % Staying the same - % Getting a lot/a little worse 100 89 77 80 73 68 60 43 40 38 79 16 20 15 19 12 12 0 Apr Jul Oct Jan Apr Jul Oct Jan 2020 2021 2022 GALLUP