Question 1 (1 point)

Answer the question True or False. According to the empirical rule, z-scores of less than -3 or greater than 3 occur very infrequently for data from a mounded and symmetric distribution

Question 1 options:

	True
	False

Question 2 (1 point)

Solve the problem. The temperature fluctuated between a low of 73F and a high of 89F. Which of the following could be calculated using just this information?

Question 2 options:

	median
	variance
	standard deviation
	range

Question 4(1 point)

We see that one soda can received 12.15 ounces of soda on the plot above. Based on the box plot presented, how would you classify this observation?

Question 4 options:

	it has a lot of soda
	expected observation
	suspect outlier
	highly suspect outlier

Question 5(1 point)

Question 5 options:

	True
	False

Question 6(1 point)

Answer the question True or False. An outlier is defined as any observation that falls within the outer fences of a box plot.

Question 6 options:

	True
	False

Question 7(1 point)

Compute the mean score.

Question 7 options:

	78.50
	75.30
	66.25
	75

Question 8(1 point)

Answer the question True or False. Thez-score uses the quartiles to identify outliers in a data set.

Question 8 options:

	True
	False

Question 9(1 point)

Find the median of the observations.

Question 9 options:

	76
	77
	76.5
	73

Question 10(1 point)

Answer the question True or False. A larger standard deviation means greater variability in the data.

Question 10 options:

	True
	False