The principal wants to determine if the teaching strategies of his teachers used in online teaching are effective or not. A sample of 10 students is randomly chosen. They took a pre-test and a post- test. The scores of each student are listed below. At a=0.01. Is there enough evidence that the teaching strategies are effective? 2 25 27 4 5 15 26 Student 7 1C 35 27 34 21 27 18 37 25 30 Pretest 35 Pot-test 38 50 35 17 24 25

Q: dumb question but how is this read, what does it mean?  0≤m≤n

A:

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Q: 5. Choosing 2 letters from the word GREEN. Write the sample space.

A: The word GREEN  has 4 distinct letter.    (with no repetition of letter) .

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A:

Q: 7.35. A company has 1250 employees, and you want to take a simple random sample of n = 60 employees.…

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A:

Q: 5. Rank each football team by their mean scores. If you could join any of the three teams, which…

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A:

Q: The accompanying table describes results from groups of 10 births from 10 different sets of parents.…

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Q: -1. Refer to the variable winning margin. What is the level of measurement? (Click to select) C-2.…

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Q: Brian is a baseball player. In the last 20 baseball games he played, he scored the following runs:…

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Q: Putting It All Together 9.50 Paid days off and the single-sample t test: The number of paid days off…

A: Note: " Since you have posted many sub-parts. we will solve the first three sub-parts for you. To…

Q: A B • 40 50 60 70 80 90 100

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Q: A boxplot for a set of 72 scores is given below. 5 T B 7 8 9 DATA 10 11 12 How many scores are…

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A:

Q: Choosing 2 letters from the word GREEN. Write the sample space.

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Q: Studying the 5-number summary of test scores of two groups A and B in the State Assessment. Which…

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