Ch 4 review

Ch 4 review

Multiple Choice

True or False

In a boxplot, the length of the box equals 1.5 times the IQR

• True

• False

Multiple Choice

True or False

If the graph of a numerical distribution is skewed to the left, the median will be less than the mean

• True

• False

Multiple Choice

True or False

If numerical values are in order from smallest to largest then the mean is the middle value

• True

• False

Multiple Choice

True or False

You can’t tell from a boxplot how many data values are in the numerical distribution that it describes

• True

• False

Multiple Choice

True or False

In 2009 most teams tried more than 1000 three-point attempts

• True

• False

Multiple Choice

True or False

In 1989 most teams tried fewer than 1000 three-point attempts

• True

• False

Multiple Choice

True or False

The IQR was higher in 2009 than in 1989

• True

• False

Multiple Choice

True or False

In 1989 one team tried about 1180 three-point shots, which was an upper outlier.

• True

• False

Multiple Choice

True or False

In the year 2029 the median will be about 2500 three-point attempts

• True

• False

Multiple Choice

What type of graph is this?

ex:right skewed unimodal,

roughly symmetric,etc..

• roughly

  symmetric

• skewed

  right

• skewed

  left

Multiple Choice

What type of graph is this?

ex:right skewed unimodal,

roughly symmetric,etc..

• symmetric

• skewed left

• skewed right

• None of the rest

Multiple Choice

What type of graph is this?

ex:right skewed unimodal,

roughly symmetric,etc..

• symmetric

• skewed left

• skewed right

• None of the rest