Fifteen students took a statistics pre-test and post-test. The results are below (a score of 28 is considered a perfect score). Round your answers to the nearest tenth, if necessary. Student Pre-Test Post-Test 123 3 4 5 6 7 8 9 10 11 12 13 14 15 9 11 9 4 10 11 9 9 7 8 5 15 12 0 9 22 28 18 24 25 16 19 20 18 14 16 26 21 14 13 (a) Find the mean pre-test score. (b) Find the median pre-test score. (c) Find the mean post-test score.

Q: 12. 4 2 O -2 -4 y 2 4 6 XA

A: The graph of the function is given.The aim is to find the function for the given graph.

Q: 3. √11

A:

Q: 7.2-9

A: Solution: The percentage of body fat measured at the beginning of the semester and at the end of the…

Q: 12. Stan³0 sec²0d0

A: Integration is done by "u" substitution method

Q: 5 4 d.x x2/3 Evaluate I = 1 – x²

A: Indefinite integration

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A: Given that the integral ∫36∫47xy dydx. Find the value of given integral.

Q: 11. -1 4 -3 4 -3 1 -2 0 3

A:

Q: 9 What is the y value when x equais 1? Your answer 10. What is the y value when x equals 5?

A: We are given a table describing relationship between x and y such that: x 0 1 2 3 4 5 y 5…

Q: a) : ?

A: here differentiate both sides with respect to x.

Q: 4.5-10

A: Introduction: Suppose X and Y follow the bivariate normal distribution with mean and variance of X…

Q: -7 2. Fine the gcneral Selution

A: Given differential equation is: x2d2ydx2+xdydx+y=-7.     …..1 Substitute x=ez z=logx Now,…

Q: 2. Factor. 10 x2/5 (4x + 7)/2 +÷ 7 3 7/5 (4x + 7)-1/2 3

A:

Q: -7 3. Find (3-4) 5) 1 1

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Q: 5x + 8 = 78

A: We Solve the Equation, Find The value of x.  Given Equation is 5x+8= 78.