Statistics Review

Front

Which statement is best supported by the box plot?

Back

The median of the data is 85.

Front

Which statement is true about a box plot where the length of the left box and left whisker is the SAME length as the right box and right whisker?

Back

Both halves of the data have an equal spread.

Front

Which statement about the data in the histogram is true?

Back

The distribution of the data is skewed, so the mean and the median are most likely different values.

Front

Of the mean, median, and mode, which is most affected by outliers?

Back

Mean

Front

When the mean and the median are the same or almost the same value, the distribution is said to be symmetric.

Back

True

Front

Should the mean be used as the measure of center if the data is skewed?

Back

False

Front

If the data does not resemble a mirror image, the distribution is said to be skewed.

Back

True

Front

Which statement about the number of pets in each household is true? Options: More than half the households have more than 3 pets., The IQR is 2., The household with 6 pets is an outlier for the set of data., The range of the data collected is 14.

Back

The range of the data collected is 14.

Front

What attribute (data) is being measured (collected) when a veterinarian weighs each dog brought to her clinic?

Back

the dogs' weights

Front

What unit is the attribute (data) being measured in for the weights of the dogs brought to the veterinarian's clinic on Tuesday? Options: grams, inches, pounds, feet.

Back

pounds