PSY/SOC 3010 Statistics Take Home Test 1
A take-home test in statistics for psychology and sociology students, focused on core statistical concepts.
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PSY/SOC 3010 Statistics Take Home Test 1
Statistics Take Home Test 1
PSY/SOC 3010
Part A Instructions: Answer the following multiple choice questions by circling
the correct answer.
1. In an experiment, a variable that differs in amount is called a
a. qualitative variable
b. quantitative variable
c. independent variable
d. statistical variable
Answer: b. quantitative variable
2. A researcher is interested in studying hand-eye coordination of second-grade boys at Honey
Island Elementary School. She selects 4 boys for study, measures them by having them
shoot free throws and finds that they all receive the same score. In this study hand-eye
coordination as measured by the number of free throws is measure on:
a. a nominal scale
b. a ordinal scale
c. an interval scale
d. a ratio scale
Answer: d. a ratio scale
3. A researcher measures “race” on a questionnaire by having respondents indicate their race
based on five options. This variable would be measured on:
a. a ratio scale
b. a continuous variable
c. a dichotomous variable
d. a discrete variable
Answer: d. a discrete variable
4. When creating a grouped interval, frequency distribution table, a researcher should include
approximately _______ class intervals.
a. 5-15
b. 1-5
c. 15-20
d. as many as the researcher wants
Answer: a. 5-15
5. A researcher creates a grouped interval, frequency distribution table using an interval size of
three, and 19 is the lowest score in the sample. According to our guidelines, _______ would be
Statistics Take Home Test 1
PSY/SOC 3010
Part A Instructions: Answer the following multiple choice questions by circling
the correct answer.
1. In an experiment, a variable that differs in amount is called a
a. qualitative variable
b. quantitative variable
c. independent variable
d. statistical variable
Answer: b. quantitative variable
2. A researcher is interested in studying hand-eye coordination of second-grade boys at Honey
Island Elementary School. She selects 4 boys for study, measures them by having them
shoot free throws and finds that they all receive the same score. In this study hand-eye
coordination as measured by the number of free throws is measure on:
a. a nominal scale
b. a ordinal scale
c. an interval scale
d. a ratio scale
Answer: d. a ratio scale
3. A researcher measures “race” on a questionnaire by having respondents indicate their race
based on five options. This variable would be measured on:
a. a ratio scale
b. a continuous variable
c. a dichotomous variable
d. a discrete variable
Answer: d. a discrete variable
4. When creating a grouped interval, frequency distribution table, a researcher should include
approximately _______ class intervals.
a. 5-15
b. 1-5
c. 15-20
d. as many as the researcher wants
Answer: a. 5-15
5. A researcher creates a grouped interval, frequency distribution table using an interval size of
three, and 19 is the lowest score in the sample. According to our guidelines, _______ would be
the best choice for the bottom interval.
a. 19 - 22
b. 19 - 21
c. 10 - 20
d. 18 - 20
Answer: b. 19 21
6. When making a frequency table, the first column should
a. include all observed values, starting from the highest and ending with the lowest
b. include all possible values, starting with the lowest and ending with the highest
c. begin with 0% at the top and go down to 100% at the bottom
d. none of the above
Answer: b. include all possible values, starting with the lowest and ending with the
highest
For questions 7 - 9 use the following frequency table:
Score f
15 2
14 3
13 4
12 3
11 2
7. What is the “n” for the above frequency distribution?
a. 4
b. 14
c. 20
d. 65
Answer: c. 20
8. What is the sum of all the scores in the above frequency table?
a. 20
b. 65
c. 182
d. 270
Answer: b. 65
9. The score of 14 would have a cumulative frequency of
a. 5
b. 14
c. 12
d. 3
Answer: c. 12
10. In a frequency polygon, the vertical axis represents
a. possible values the variable can take
a. 19 - 22
b. 19 - 21
c. 10 - 20
d. 18 - 20
Answer: b. 19 21
6. When making a frequency table, the first column should
a. include all observed values, starting from the highest and ending with the lowest
b. include all possible values, starting with the lowest and ending with the highest
c. begin with 0% at the top and go down to 100% at the bottom
d. none of the above
Answer: b. include all possible values, starting with the lowest and ending with the
highest
For questions 7 - 9 use the following frequency table:
Score f
15 2
14 3
13 4
12 3
11 2
7. What is the “n” for the above frequency distribution?
a. 4
b. 14
c. 20
d. 65
Answer: c. 20
8. What is the sum of all the scores in the above frequency table?
a. 20
b. 65
c. 182
d. 270
Answer: b. 65
9. The score of 14 would have a cumulative frequency of
a. 5
b. 14
c. 12
d. 3
Answer: c. 12
10. In a frequency polygon, the vertical axis represents
a. possible values the variable can take
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Document Details
University
South University
Subject
Psychology