Algebra Problem No.11

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@ Mr. Eric | Tuesday, Mar 22, 2022 | 1 minute read | Update at Tuesday, Mar 22, 2022

Complete each problem below by hand. Show your work and provide a reason for each step. Calculators are not allowed on this assignment.

Consider the following data:

Algebra II Scores

Grade 70-72 73-76 77-79 80-82 83-86 87-89 90-92 93-96 97-99
Frequency 0.01 0.05 0.1 0.07 0.13 0.24 0.29 0.08 0.03
  1. Draw a histogram to represent the data.
  2. What is the relationship between the mean and median of the data set?
  3. can normal distribution be used to interpret?

Answer

Consider the following experiment:

A restaurant wants to determine customer satisfaction. They decide that dinner is a not good time due to how busy the business becomes so they survey the lunch crowd. With the check, they ask their partrons to complete a short survey and return it to the manager. The restaurant uses the results to make changes to their business.

  1. Identify any potential problem(s) with this experiment design. How can it be improved?

Answer

PS: The way that I calculated the mean is to choose the middle(for example, 70-72’s middle is 71) and multiply it by the frequency it corresponds to. I sum these numbers up, and I get 86.9.

Answer

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