Line of Best Fit

Question 1

Which weights are within 2 standard deviations of the mean? Select three options.

Revolt · Accepted Answer

8.9 lbs; 9.5 lbs; 10.4 lbs

Question 2

A school creates a histogram representing the individual travel times for students riding the bus to school. The histogram is right-skewed, and the mean time is 25 minutes.

Revolt · Accepted Answer

The median time is less than 25 minutes.

Question 3

The students in Marly’s math class recorded the dimensions of their bedrooms in a frequency table.

Revolt · Accepted Answer

The histogram is right-skewed, so the mean is greater than the median.

Question 4

Which statements are true about a histogram with one-minute increments representing the data? Select three options.

Revolt · Accepted Answer

A histogram will show that the mean time is approximately equal to the median time of 7.5 minutes.; The shape of the histogram can be approximated with a normal curve.; The histogram will show that most of the data is centered between 6 minutes and 9 minutes.

Question 5

Raquel and Van live in two different cities. As part of a project, they each record the lowest prices for a gallon of gas at gas stations around their cities on the same day. Raquel’s data show and . Van’s data show and .Which statement is true about their gas-price data?

Revolt · Accepted Answer

Raquel’s data are most likely closer to $3.42 than Van’s data are to $3.78.

Line of Best Fit Answers

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