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aliya0001 [1]
2 years ago
9

Which is a better statistical question A:how many points per game did your team score? B:how many games did your team play this

year?
Mathematics
2 answers:
zaharov [31]2 years ago
8 0

Answer:

A

Step-by-step explanation:

B would be just a number, but for A you need to connect data points and actually do some statistics.

(would really, reallly appreciate the brainliest)

marin [14]2 years ago
8 0

Answer:

A - how many points per game did your team score?

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Write an equation in slope-intercept form for the line that passes through (4,-3) and is parallel to the line described by y=1/2
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Answer:

y=1/2x-5

Step-by-step explanation:

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2 years ago
Explain the circumstances for which the interquartile range is the preferred measure of dispersion. What is an advantage that th
KatRina [158]

Answer:

Explain the circumstances for which the interquartile range is the preferred measure of dispersion

Interquartile range is preferred when the distribution of data is highly skewed (right or left skewed) and when we have the presence of outliers. Because under these conditions the sample variance and deviation can be biased estimators for the dispersion.

What is an advantage that the standard deviation has over the interquartile​ range?

The most important advantage is that the sample variance and deviation takes in count all the observations in order to calculate the statistic.

Step-by-step explanation:

Previous concepts

The interquartile range is defined as the difference between the upper quartile and the first quartile and is a measure of dispersion for a dataset.

IQR= Q_3 -Q_1

The standard deviation is a measure of dispersion obatined from the sample variance and is given by:

s=\sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

Solution to the problem

Explain the circumstances for which the interquartile range is the preferred measure of dispersion

Interquartile range is preferred when the distribution of data is highly skewed (right or left skewed) and when we have the presence of outliers. Because under these conditions the sample variance and deviation can be biased estimators for the dispersion.

What is an advantage that the standard deviation has over the interquartile​ range?

The most important advantage is that the sample variance and deviation takes in count all the observations in order to calculate the statistic.

8 0
3 years ago
An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 4 ft long with a diameter of 2.2 ft. S
gavmur [86]

Answer:

8\:\mathrm{minutes}

Step-by-step explanation:

The volume of a cylinder is given as:

r^2\cdot\pi\cdot h

Since the diameter is 2.2, the radius is \frac{2.2}{2}=1.1.

Therefore, the volume of this cylinder is:

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Since the tank is emptied at a constant rate of 1.5\:\mathrm{ft^3\:per\:minute}, it will take

\frac{15.1976}{1.5}=7.5988=\fbox{$8\:\mathrm{minutes}$} to empty the tank.

8 0
3 years ago
CAN SOMEONE HELP ME I DONT KNOW WHAT IM FREAKING DOING
AnnyKZ [126]

Answer:

18 qts

Step-by-step explanation:

Since 1 gallon=4qts, you would multiply the gallons by 4 to reach your answer. 4.5 gallons=18qts

5 0
3 years ago
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Solve for y.<br> 8y-3y=40
Airida [17]

Answer:

8

Step-by-step explanation:

8y-3y=40

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the value of y is 8.

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5 0
2 years ago
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