Question
In: Statistics and Probability
A recent study of undergraduates looked at gender differences in dieting trends. There were 188 women...
A recent study of undergraduates looked at gender differences in dieting trends. There were 188 women and 103 men who participated in the survey. The table below summarizes whether a student tried a low-fat diet or not by gender:
| Gender | ||||
|---|---|---|---|---|
| Tried low-fat diet | Women | Men | ||
| Yes | 40 | 8 | ||
| No | ||||
(a) Fill in the missing cells of the table.
| Gender | ||||
|---|---|---|---|---|
| Tried low-fat diet | Women | Men | ||
| Yes | 40 | 8 | ||
| No | ||||
(b) Summarize the data numerically. What percent of each gender has
tried low-fat diets? (Round your answers to two decimal
places.)
| women | % |
| men | % |
(c) Test that there is no association between gender and the
likelihood of trying a low-fat diet. (Round your
χ2 to three decimal places, and round your
P-value to four decimal places.)
| χ2 | = | |
| df | = | |
| P-value | = |
Solutions
orchestra answered 3 years agoRelated Solutions
A recent study of undergraduates looked at gender differences in dieting trends. There were 188 women...
A recent study of undergraduates looked at gender differences in
dieting trends. There were 188 women and 101 men who participated
in the survey. The table below summarizes whether a student tried a
low-fat diet or not by gender:
Gender
Tried low-fat diet
Women
Men
Yes
38
8
No
(a) Fill in the missing cells of the table.
Gender
Tried low-fat diet
Women
Men
Yes
38
8
No
(b) Summarize the data numerically. What percent of...
A recent study of undergraduates looked at gender differences in dieting trends. There were 182 women...
A recent study of undergraduates looked at gender differences in
dieting trends. There were 182 women and 105 men who participated
in the survey. The table below summarizes whether a student tried a
low-fat diet or not by gender:
Gender Tried low-fat diet
Women Men
Yes 37 9
No
(a) Fill in the missing cells of the table. Gender Tried low-fat
diet
Women Men
Yes 37 9
No
(b) Summarize the data numerically. What percent of each gender
has tried...
A recent study of undergraduates looked at gender differences in dieting trends. There were 182 women...
A recent study of undergraduates looked at gender differences in
dieting trends. There were 182 women and 109 men who participated
in the survey. The table below summarizes whether a student tried a
low-fat diet or not by gender:
Gender
Tried low-fat diet
Women
Men
Yes
39
8
No
(a) Fill in the missing cells of the table.
Gender
Tried low-fat diet
Women
Men
Yes
39
8
No
(b) Summarize the data numerically. What percent of...
A recent study of undergraduates looked at gender differences in dieting trends. The following table summarizes...
A recent study of undergraduates looked at gender differences in
dieting trends. The following table summarizes whether a student
tried a low-fat diet or not by gender:
Tried low-fat diet
Women
Men
Yes
35
8
No
146
97
At the 0.05 level of significance, is there evidence to conclude
that there is a relationship between gender and the likelihood of
trying a low-fat diet?
A look at dieting trends. There were 183 women and 101 men who took part in...
A look at dieting trends. There were 183 women and 101 men who
took part in a survey.
YES-Tried a low fat diet- women 36, men 7
NO- Didn't try a low fat diet- women 147, men 94
1.) Summarize the data numerically. What percent of each gender
has tried a low fat diet? Women____________Men___________
2.) Test that there is no association between gender and the
likelihood of trying a low fat diet. (Round x2 to three decimal
places) ____________
A recent study of gender preferences among car shoppers found that men and women equally favor...
A recent study of gender preferences among car shoppers found
that men and women equally favor economy cars. A marketing analyst
doubts these results. He believes that a person’s gender influences
whether or not he/she purchases an economy car. He collects data on
400 recent car purchases cross-classified by gender and type of car
(economy car versus noneconomycar). The results are shown as
follows:
ECONOMY CAR
NON-ECONOMY CAR
FEMALE
50
60
MALE
120
170
a. State null and alternative hypotheses...
The data in tab "Gender and Grades" shows the results of a recent study regarding gender...
The data in tab "Gender and Grades" shows the results of a
recent study regarding gender and grades. We want to determine if
gender and grades are independent. Use a 3% level of significance
to test this. State the null and alternative hypotheses.
Ho: Variables are not independent
Ha: Variables are independent
Ho: Variables are independent
Ha: Variables are not independent
Test the hypothesis from Question 18. Do you accept or reject
Ho?
Accept
Reject
Data:
Grade
Male
Female
A...
A study of working actors looked at age and gender. One sample of 50 male actors...
A study of working actors looked at age and gender. One sample
of 50 male actors had a mean age of 23 and a standard deviation of
2. The other sample included 50 female actors with a mean age of 24
and a standard deviation of 3. Estimate with 87% confidence the
difference between the average ages of working male (μ1) and female
(μ2) actors. Round answers to the nearest hundredth.
< μ1 − μ2<
A study of working actors looked at age and gender. One sample of 55 male actors...
A study of working actors looked at age and gender. One sample
of 55 male actors had a mean age of 25 and a standard deviation of
4. The other sample included 55 female actors with a mean age of 28
and a standard deviation of 2. Estimate with 91% confidence the
difference between the average ages of working male (μ1μ1) and
female (μ2μ2) actors. Round answers to the nearest hundredth.
< μ1−μ2μ1-μ2 <
I am going to study gender differences and scores on the spelling test. Ind variable: Gender...
I am going to study gender differences and scores on the
spelling test. Ind variable: Gender (Male or female) Dep variable:
spelling test score Null: There is no difference between males and
females on the spelling test. Directional: Boys will score higher
than girls on the spelling test. Now, create a study.
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