The following frequency distribution table is for 50 students who took a competency test. The data represent their scaled test scores. Test Scores Frequency 300 - 399 2 400 - 499 13 500 - 599 19 600 - 699 11 700 - 799

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A: From the given solution, we get z = -0.957    = -0.96       ( round upto 2 decimal places )…

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A: Solution: The objective is to find the number of students who scored A grade

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A: From, the given figure, it can be concluded that: mXY⏜=110∘mWY⏜=75∘

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A: The given test score is 73.

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A: Objective: To estimate the percentage of statistics students who get grades of C or better.

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Q: What percent of people have WAIS scores below 100? Above 1307 Below 70? Answer(s) Above 100: 50%…

A: mean = 100 standard deviation = 15 A) P(X<100) = P(X<100-10015)…

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A: It is an important part of statistics. It is widely used.

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A: For the first question, the appropriate question is not given.

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Q: 923 is what percentage of 1816 ? work the problem

A: This question can be solved using the concept of percentage.

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A: To solve this in excel and send step by step solution.

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