1. What is the total number of scores for the distribution shown in the following table?
X f
4 3
3 5
2 4
1 2
A. 4
B. 10
C. 14
D. 37
2. A sample of n = 15 scores ranges from a high of X = 11 to a low of X = 3. If these scores are placed in a
frequency distribution table, how many X values will be listed in the first column?
A. 8
B. 9
C. 11
D. 15
3. For the following frequency distribution of quiz scores, how many individuals took the quiz?
X f
5 6
4 5
3 5
2 3
1 2
A. n = 5
B. n = 15
C. n = 21
D. cannot be determined
,4. For the following distribution of quiz scores, if a score of X = 3 or higher is needed for a passing grade, how
many individuals passed?
X f
5 6
4 5
3 5
2 3
1 2
A. 3
B. 11
C. 16
D. cannot be determined
5. For the following distribution of quiz scores, How many individuals had a score of X = 2?
X f
5 6
4 5
3 5
2 3
1 2
A. 1
B. 3
C. 5
D. cannot be determined
6. For the following frequency distribution of exam scores, what is the lowest score on the exam?
X f
90-94 3
85-89 4
80-84 5
75-79 2
70-74 1
A. x = 70
B. x = 74
C. x = 90
D. cannot be determined
, 7. For the following frequency distribution of exam scores, how many students had scores lower than X = 80?
X f
90-94 3
85-89 4
80-84 5
75-79 2
70-74 1
A. 2
B. 3
C. 7
D. cannot be determined
8. In a grouped frequency distribution one interval is listed as 50-59. Assuming that the scores are measuring a
continuous variable, what are the real limits of this interval?
A. 50 and 59
B. 50.5 and 59.5
C. 49.5 and 59.5
D. 49.5 and 60.5
9. For the following distribution, how many people had scores less than X = 19?
X f
20-25 2
15-19 5
10-14 4
5-9 1
A. 5
B. 10
C. 11
D. cannot be determined
10. For the following distribution, what is the highest score?
X f
20-25 2
15-19 5
10-14 4
5-9 1
A. 5
B. 20
C. 25
D. cannot be determined
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 or Stuvia-credit 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 Examhub. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $18.85. You're not tied to anything after your purchase.
