Write a review paper on Frequency Distributions, Percentiles, and Graphical Representations.Complete the following problems within the Word
document. (Do not submit other files.) Show your work for problem sets that require calculations. Ensure your answer
to each problem is clearly visible. (You may want to highlight your answer or
use a different font color to set it apart.)
Submit the document to your instructor by
Sunday, 11:59 p.m. central time.
Problem Set 2.1:
Grouped or Ungrouped
Criterion: Explain
the identification of types of data.
Instructions: Fill
in the table below. For each example, state whether it is grouped or ungrouped
and why.
Example
Grouped or Ungrouped
Why
The time (in seconds) it takes 100
children to complete a cognitive skills game.
The number of single mothers with 1,
2, 3, or 4 children.
The number of teenagers who have
experimented with smoking (yes, no).
The age (in years) of freshman
students in a local college.
Problem Set 2.2: Frequencies and Percent
Criterion: Identify
frequencies and percent.
Instructions: State
whether a cumulative frequency, relative frequency, relative percent,
cumulative relative frequency, or cumulative percent is most appropriate for
describing the following situations. For cumulative distributions, indicate
whether these should be summarized from the top down or from the bottom up.
Data:
1. The frequency of businesses
with at least 20 employees: __________
2. The frequency of college
students with less than a 3.0 GPA: __________
3. The percentage of women
completing 1, 2, 3, or 4 tasks simultaneously: __________
4. The proportion of pregnancies
performed in public or private hospitals: __________
5. The percentage of alcoholics
with more than 2 years of substance abuse: __________
Problem Set 2.3: Reading a Chart
Criterion: Locate data on a chart.
Instructions: Read
the following and answer the questions.
Participant Characteristics
Sex
Count
Type
Token
Women
Men
Unknown
24,541
23,617
479
878,261
751,188
927
Total
1,630,376
Do men or
women in this sample speak more words overall (Token Count)?
_______________
Do men or
women in this sample speak more different words (Type Count)?
_______________
(Assignment
continues on next page.)
Problem Set 2.4: Understanding
Percentages
Criterion: Identify
distribution type and number of people.
Instructions: Read the following
and answer the questions.
Perceptions of same-sex
marriage. In June 2016, a CBS News poll asked a sample
of adults worldwide whether it should be legal or not legal for same-sex
couples to marry (reported at http://www.pollingreport.com).
The opinions of adults worldwide were as follows: 58%, legal; 33%, not legal;
and 9%, unsure/no answer.
1.
What type of distribution is this? __________________________
2.
Knowing that 1,280 adults were polled
nationwide, how many Americans polled felt that same-sex couples should be
allowed to legally marry? __________________________
