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Kaylis [27]
3 years ago
8

A basketball coach keeps track of the points scored per game for all of the players . She gives a trophy to the player with the

highest mean score at the end of the seqson.

Mathematics
2 answers:
Musya8 [376]3 years ago
8 0

Answer:

She wants to take unusually good or bad games into account.

Step-by-step explanation:

I got it right on iready!

Verdich [7]3 years ago
3 0

Your Question was incomplete so I will solve a similar question that will help you to tackle this kind of questions.

Q)Two university female basketball players are being considered for an award to be given to the most consistent player with the highest scoring average for the season. The number of points scored per game for all games played during the season is given by the following table. ( Table Attached)

a) Calculate the population mean and population standard deviation of the number of points scored per game for each player.

(b) Using the results of part (a) which player should receive the award.

Answer:

<h3><u>Player B should receive the award.</u></h3><h3>Step-by-step explanation:</h3>

Points of player A:- 5,32,45,25,8,10,35,12,37,21

<u>First we will calculate the mean for player A</u>

∑x =  5 + 32 + 45 + 25 + 8 + 10 + 35 + 12 + 37 + 21

∑x = 230

N = 10

<u>Mean = µ= ∑x/N = 230/10 = 23</u>

<u>Now we will calculate the standard deviation for Player A</u>

x - µ = -18 , 9, 22, 2, -15, -13, 12, 11, 14, -2

(x - µ)^2 = 324, 81, 484, 4, 225, 169, 144, 121, 196, 4

∑(x - µ)^2 = 1752

σ = sqrt( ∑((x - µ)^2/N) )

σ = sqrt(1752/10)

<u>σ = 13.236</u>

<u>Calculating mean for player B:</u>

Points of player B = 18, 20, 22, 15, 35, 24, 29, 19, 25, 23

∑x =  18 + 20 + 22 + 15 + 35 + 24 + 29 + 19 + 25 + 23

N =10

µ = 230/10

<u>µ  = 23</u>

<u>Calculating standard deviation for player B:</u>

(x - µ ) = -5, -3, -1, -8, 12, 1, 6, -4, 2, 0

(x -µ )^2 = 25, 9, 1, 64, 144, 1, 36, 16, 4, 0

∑(x - µ)^2 = 300

σ = sqrt(300/10)

<u>σ = 5.48</u>

Since both Player A and Player B have same mean we will calculated the coefficient of variation for both the players.

<u>For player A:</u>

σa/µa *100 = 13.24/23 *100 = 57.56

<u>For Player B:</u>

σb/µb *100 = 5.48/23 * 100 = 23.82

<u>Since the coefficient of variation of Player B is less than Player A hence Player B should receive the award.</u>

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3 0
4 years ago
I need help! 50 points + brainliest
AlladinOne [14]

Answer:

Part 1)

A

Part 2)

C

Step-by-step explanation:

1)

We are given:

f(x)=5x+1\text{ and } g(x)=x^2-9

And that:

h(x)=f(x)/g(x)

And we want to now for which values of x is h(x) undefined.

So, by substitution:

\displaystyle h(x)=\frac{5x+1}{x^2-9}

Remember that for rational functions, the function will be undefined if and only if the denominator is 0.

This is because we cannot divide by 0.

So, to find the values for which the denominator is 0, set the denominator to 0 and solve for x. Therefore:

x^2-9=0

Add 9 to both sides:

x^2=9

Take the square root of both sides. Since we are taking an even-root, we will need plus/minus. Therefore:

x=\pm 3

So, h(x) is undefined for ±3.

Our answer is A.

2)

We are given:

f(x)=3^x\text{ and } g(x)=3^{2x}-3^x

And we want to find:

h(x)\text{ if } h(x)=f(x)-g(x)

So:

h(x)=3^x-(3^{2x}-3^x)

Distribute:

h(x)=3^x-3^{2x}+3^x

Combine like terms:

h(x)=2(3^x)-3^{2x}

Rewrite:

h(x)=2(3^x)-(3^x)(3^x)

Factor out:

h(x)=3^x(2-3^x)

So, our answer is C.

6 0
3 years ago
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