Exam (elaborations)
Exploring Psychology 10th Edition by David G. Myers -Test Bank
- Module
- Psychology
- Institution
- Psychology
Test Bank For Exploring Psychology 10th Edition by David G. Myers Complete Test Bank
[Show more]
Content preview
,1. Five students received the following test scores: 7, 11, 5, 6, and 11. Calculate the mode,median, mean, and range of this distribution of scores. Which measure of central
tendency would change the most if an additional test score of 2 were included in the
distribution?
2. The table lists the scores of eight students on a test to measure anxiety, as well as the
typical number of cigarettes each person smokes daily. Scores on the anxiety test can
range anywhere from a low of 0 (indicating very low anxiety) to a high of 30 (indicating
very high anxiety).
Anxiety Cigarettes
Student Test Score Smoked Daily
1 8 11
2 9 3
3 15 11
4 14 16
5 21 26
6 12 10
7 22 24
8 17 18
Construct a scatterplot to represent the correlation between smoking and anxiety.
Describe the direction of the correlation and give two possible explanations for it.
3. At Michigan State University, 32 students are enrolled in class A, 48 students are
enrolled in class B, and 16 students are enrolled in class C. For which of these three
classes is there the greatest probability that more than 75 percent of the students have
blond hair? Explain your answer and indicate why this explanation has relevance for
generalizing appropriately from samples to the larger populations in which you are
interested.
Page 1
,Answer Key
1.
2.
3.
Page 2
, 1. The average price for different brands of toothpaste could be visually displayed
in a(n)
A) correlation coefficient.
B) scatterplot.
C) standard deviation.
D) bar graph.
2. When you read a bar graph, it is most important for you to
A) mentally transform the data into a normal curve.
B) identify the value of the standard deviation.
C) note the range and size of the scale values.
D) remember that correlation facilitates prediction.
3. The most frequently occurring score in a distribution of scores is the
A) mode.
B) median.
C) standard deviation.
D) mean.
4. In a group of five individuals, two report annual incomes of $10,000, and the
other three report incomes of $14,000, $15,000, and $31,000, respectively. The
mode of this group's distribution of annual incomes is
A) $10,000.
B) $15,000.
C) $16,000.
D) $31,000.
5. The mean of a distribution of scores is the
A) most frequently occurring score.
B) arithmetic average of all the scores.
C) least frequently occurring score.
D) score exceeded by 50 percent of all the scores.
6. Which measure of central tendency is used to calculate the average of your
school grades?
A) standard deviation
B) median
C) mean
D) mode
Page 1
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ExamsExpert. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £22.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82191 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now