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3 years ago

Here are the prices of five new skateboards, in dollars: 75, 82, 100, 120, 140.

Mathematics

1 answer:

Lynna [10]3 years ago

8 0

The standard deviation<u> </u><u>INCREASES</u>

Step-by-step explanation:

Standard deviation is used to show how the points of the data deviate from the mean. The formulae for deriving standard deviation is attached. As seen from the formulae, the greater the variance of the data from the mean, the higher the Standard Deviation.

The mean of the given data points is $103.4. $450 is way off from this mean meaning that there is a large variance in this data point.

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3 years ago

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iogann1982 [59]

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Step-by-step explanation:

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4 years ago

Read 2 more answers

Your friend tells you that the proportion of active Major League Baseball players who have a batting average greater than .300 i

marin [14]

Answer:

Null hypothesis: The proportion of active Major League Baseball players who have a batting average greater than 0.300 is 0.51 (p equals 0.51).

Alternate hypothesis: The proportion of active Major League Baseball players who have a batting average greater than 0.300 is not 0.51 (p not equals 0.51).

Step-by-step explanation:

A null hypothesis is a statement from a population parameter which is either rejected or accepted (fail to reject) upon testing. It is expressed using the equality sign.

An alternate hypothesis is also a statement from the population parameter which negates the null hypothesis and is accepted if the null hypothesis is rejected. It is expressed using any of the inequality signs.

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3 years ago