You are a developmental psychologist and are interested in how math anxiety changes with age. You go into an elementary school and measure the math anxiety of 15 children who are in the 2^nd grade. Assume that this is an interval variable and that higher scores indicate higher levels of math anxiety.

These are their scores:

0, 5, 3, 6, 2, 3, 4, 1, 2, 3, 1, 5, 2, 4, 3

Question 15 (3 points)

What was the N in this study?

Question 15 options:

	10
	21
	6
	15

Question 16 (3 points)

What was the frequency of children who with a math anxiety score of 4?

Question 16 options:

	5
	2
	4
	3

Question 17 (3 points)

What was the frequency of children with a math anxiety score of 6?

Question 17 options:

	7
	1
	5
	3

Question 18 (3 points)

What was the relative frequency of children with a math anxiety score of 1?

Question 18 options:

	.13
	13%
	2
	.07

Question 19 (3 points)

What is the cumulative frequency for a math anxiety level of 3?

Question 19 options:

	67
	27
	4
	10

Question 20 (3 points)

What is the percentile associated with a math anxiety level of 3?

Question 20 options:

	4th
	27th
	10th
	67th

Question 21 (3 points)

What is the appropriate type of graph for this frequency distribution?

Question 21 options:

	A bar graph
	A histogram
	A scatterplot
	A line graph

Question 22 (3 points)

What does percentile tell you about people's math anxiety?

Question 22 options:

	The number of people have a certain level of math anxiety or lower
	The number of people who have a certain level of math anxiety
	The percentage of people who have a certain level of math anxiety or greater
	The percentage of people who have a certain level of math anxiety or lower