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ryzh [129]
3 years ago
15

A coach wants to know if basketball players who warm up before a game will shoot more points than those who don't warm up. He wi

ll break the team up into two groups and make sure each player gets equal time on the court. He will then count how many points each player makes during the game. What statistic should he study?
Mathematics
2 answers:
Aleks [24]3 years ago
7 0

Answer:

The mean number of points earned by each group.

Step-by-step explanation:

Mean: The mean population is the average of entire population. Mean is  the measure of central tendency.

Standard deviation:  A measure of each observation's variations from the mean. It measures the consistency.

Consider the provided information.

Coach break the team up into two groups and make sure each player gets equal time on the court.

He will count how many points each player makes during the game.

By doing this he wants to find the central tendency of the data.

As he will count how many points each player makes during the game then he need to study the mean number of points earned by each group.

lapo4ka [179]3 years ago
3 0
The statistics should the coach study is the number of points a player can get during the game. This will show how warm up before the game effective to the players in the actual game. The coach should also study the improvement of the players in each game especially those who warm up.
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Find a solution to the linear equation −2x−2y=8 by filling in the boxes with a valid value of x and y.Provide your answer below:
inna [77]

Given

-2x-2y=8

To find a solution for the linear equation, the first step is to write the equation in slope-intercept form:

-Pass the x-term to the right side of the equation by applying the opposite operation to both sides of the equal sign:

\begin{gathered} -2x+2x-2y=8+2x \\ -2y=2x+8 \end{gathered}

-Divide both sides by -2:

\begin{gathered} \frac{-2y}{-2}=\frac{2x}{-2}+\frac{8}{-2} \\ y=-x-4 \end{gathered}

Once you have expressed the equation of the line in slope-intercept form, replace it with any value for x and calculate the corresponding value of y, for example, x=2

\begin{gathered} y=-(2)-4 \\ y=-2-4 \\ y=-6 \end{gathered}

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\begin{gathered} -2x-2y \\ -2\cdot2-2\cdot(-6) \\ -4+12=8 \end{gathered}

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6 0
1 year ago
There were 900 students enrolled in a high school in 2009 and 1,500 students enrolled in the same high school in 2012. The stude
Volgvan

Answer:

(A)

(t_0,P_0)=(0,900)

(t_1,P_1)=(3,1500)

(B)

m=200

(C)

P=200t+900

(D)

The high school's enrollment in 2017 is 2500

Step-by-step explanation:

Let's assume time starts since 2009

so, In 2009 , t=0

P=900

In 2012,

t=2012-2009=3

P=1500

(A)

So, we have points as

(t_0,P_0)=(0,900)

(t_1,P_1)=(3,1500)

(B)

we can use slope formula

m=\frac{P_2-P_2}{t_2-t_1}

we can plug values

m=\frac{1500-900}{3-0}

m=200

we know that

slope is rate of change of P with respect to time

so, slope means increase in population is 200 per year

(C)

we can use point slope form of line

y-y_1=m(x-x_1)

m=200

(t_0,P_0)=(0,900)

P-900=200(t-0)

P=200t+900

(D)

In 2017 ,

t=2017-2009=8

we can plug t=8

and we get

P=200(8)+900

P=2500

The high school's enrollment in 2017 is 2500

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