Scenario 4: A researcher wants to study about the relationship between a students' grade in Mathematics and his average number of hours of sleep. Using the data from 23 families, the computed r between the grade and average number of hours of sleep was found to be 0.43. Test if there exists a significant relationship between the two variables at 1% level of significance. Interpret the computed r value. (Write your interpretation in statement form) Test if there is a significant relationship between the two variables at 5% level of significance. (Show complete proof/steps with conclusion in statement form)

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A: Given: A theater has 26 rows of seating. 1st row =18 seats 2nd row=20 seats 3rd row=22 seats and so…

Q: 3 Select the expression that is equivalent to 6x 2

A: answer is in next step

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Q: Please find comp,(b), type in just a number, integer. a={/3, 1) and b=5{/3–1, 3+1)

A:

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A:

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A: GivenIf the income is below $30,000 then amount with hold is 17% of income.If the income is above…

Q: simplify 27 + (-24)(-9) - 28

A: This question is related to algebraic operations, we will solve it using given information.

Q: Write an expression to represent: The sum of ten and the quotient of a number r and 6.

A:

Q: For: 3+7+11 + 15 + ... Find if possible

A:

Q: Fred’s Car Dealership has a three-floor parking garage with cars for sale. Each floor has 3 rows of…

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Q: Simplify (-3a4b3)3

A:

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A: Given query is to find the number of books in the new area of library.

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A: Given, Ms. Garcia has 120 comic books. She gives 15 to each of her three nephews, then buys 4 more.…

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A: Here, Given that Rani's age = x And,  Given that Asia is 50 year older than Rani.

Q: At Roundtree Elementary School, s students walk to school. One third-of that number ride their…

A: Solution:

Q: Evaluate the expression and y = 1 and 2 = - 4x² + 4xzy if x = 2 3

A: To evaluate the expression -4x2+4xz-y if x=2 and y=1 and z=-3.

Q: Find 1 -+ 16 25 +(-1)28 48 528

A: The detailed solution is as follows below:

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A: Given expression is (n8)

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A:

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A: