Question 2
A test is said to be ________ when it produces fairly accurate results
even when the data suggest that the population might not meet some
of the assumptions.

Question 3
India converts her raw score on a memory scale to a
z
score and finds
that her score corresponds to a
z
score of –0.92. She knows her score
is below the mean. What percent of people scored lower than India on
the memory scale?

Question 4
In hypothesis testing, critical values are:

Question 5
In the six steps of hypothesis testing, why do we state the null and
research hypothesis
before
we calculate the test statistic?

Question 6

Quiz 1
Statistics for the behavioral Sciences
Which of these is
not
an appropriate tool for locating a specific point
on a normal bell-shaped curve?

Question 7
Jin predicts that people with highly symmetric faces will be rated as more
attractive than people with less symmetric facial features. Is this
hypothesis one- or two-tailed?

Question 8
Melanie, a school psychologist, wants to compare the test scores of
students in her school to the national average. Which is an
appropriate order of some of the steps she should follow?

Question 9
Why is it important to check for violations of assumptions when
hypothesis testing?

Question 10
A given distribution has a mean of 50 and a standard deviation of 5.
When comparing a score of 55 to this distribution of scores,
the
z
score is ________, whereas comparing a mean of 55, based on a
sample of 10, to a distribution of means created from this parent
population will result in a
z
score of ________.

Question 11
Philip is going to proceed with data analysis on a sample of scores
that violate many assumptions about the population of interest. What
kind of test should he probably use?

Quiz 1
Statistics for the behavioral Sciences

Question 12
A ________ test makes assumptions about the population, while a
________test does not.

Question 13
Stephanie wonders whether college textbooks change in price as you
advance in your academic work. She finds some national data on college
textbooks that indicate the average price of a text is $96 with a standard
deviation of $31. She decides to collect the prices of 30 textbooks that are