Question
In: Statistics and Probability
A group of husbands and their wives are asked how much they spend online in an...
A group of husbands and their wives are asked how much they spend online in an average week. The average amount spent by the men is then compared to the average amount spent by the women. Which category does this study fall into?
ANOVA
Chi-square independence test
Comparing two means – independent samples
Comparing two means – matched pairs
A researcher wants to find out if fans of different sports have different blood pressure readings. She takes a sample of football fans, baseball fans, basketball fans and hockey fans and measures their average blood pressure. What category does this fall into?
ANOVA
Chi-square independence test
Comparing two means – independent samples
Comparing two means – matched pairs
A researcher classifies a random group of LAPD members into a two-way table classified by their gender and by their rank in the police department. She wishes to see if there is bias within promotion system at the LAPD. What category does this fall into?
ANOVA
Chi-square independence test
Comparing two means – independent samples
Comparing two means – matched pairs
Solutions
orchestra answered 1 year agoRelated Solutions
To better understand how husbands and wives feel about their finances, a magazine conducted a national...
To better understand how husbands and wives feel about their
finances, a magazine conducted a national poll of 1,017 married
adults age 25 and older with household incomes of $50,000 or more.
Consider the following example set of responses to the question
"Who is better at getting deals?"
Who Is Better?
Respondent
I Am
My Spouse
We Are Equal
Husband
278
129
103
Wife
291
113
103
(a)
Develop a joint probability table and use it to answer the
following...
Questions 8-10. In one study, the correlation between the educational level of husbands and wives in...
Questions 8-10. In one study, the correlation between the
educational level of husbands and wives in a certain town was about
0.50; both averaged 12 years of schooling completed, each with a SD
of 3 years.
Question 8 Predict the educational level of a woman whose
husband has completed 18 years of schooling.
Question 8 (Choose the best answer)
A15
B. 16
C. 17
D. 18
E. 19
Question 9 Predict the education level of a man whose wife has...
7. A psychologist wants to know whether wives and husbands who both serve in a foreign...
7. A psychologist wants to know whether wives and husbands who
both serve in a foreign war have similar levels of satisfaction in
their marriage. To test this, six married couples currently serving
in a foreign war were asked how satisfied they are with their
spouse on a 7-point scale ranging from 1 (not satisfied at all) to
7 (very satisfied). The following are the responses from husband
and wife pairs.
Married Couples
Wife
Husband
6
5
4
6
7...
A psychologist wants to know whether wives and husbands who both serve in a foreign war...
A psychologist wants to know whether wives and husbands who both
serve in a foreign war have similar levels of satisfaction in their
marriage. To test this, six married couples currently serving in a
foreign war were asked how satisfied they are with their spouse on
a 7-point scale ranging from 1 (not satisfied at all) to 7 (very
satisfied). The following are the responses from husband and wife
pairs.
Married Couples
Wife
Husband
7
5
4
6
7
5...
A psychologist wants to know whether wives and husbands who both serve in a foreign war...
A psychologist wants to know whether wives and husbands who both
serve in a foreign war have similar levels of satisfaction in their
marriage. To test this, six married couples currently serving in a
foreign war were asked how satisfied they are with their spouse on
a 7-point scale ranging from 1 (not satisfied at all) to 7
(very satisfied). The following are the responses from
husband and wife pairs.
Married Couples
Wife
Husband
7
5
4
6
7
5...
A psychologist wants to know whether wives and husbands who both serve in a foreign war...
A psychologist wants to know whether wives and husbands who both
serve in a foreign war have similar levels of satisfaction in their
marriage. To test this, six married couples currently serving in a
foreign war were asked how satisfied they are with their spouse on
a 7-point scale ranging from 1 (not satisfied at all) to 7
(very satisfied). The following are the responses from
husband and wife pairs.
Married Couples
Wife
Husband
7
5
4
6
7
5...
We are interested in determining whether husbands differ from their wives on weight loss after taking...
We are interested in determining whether husbands
differ from their wives on weight loss after taking a weight loss
supplement. To evaluate this, we need to conduct a(n):
A. Independent samples t-test (*this was
incorrect*)
B. Dependent samples t-test
C. One sample t-test
D. Any of these would be appropriate
My next best guess would be a one sample t-test but I
am not sure anymore
You surveyed 20 of your friends and asked them how much they spend on coffee at...
You surveyed 20 of your friends and asked them how much they
spend on coffee at Starbucks each week. Their responses ranged from
$0 to $22.50 and the average was $8.64. You decide to create a
histogram of the data. Which of the following is the best set of
bins to use?
a. [0-25.00]
b. [5.00-10.00], [11.00-15.00] and [22.00-25.00]
c. [0-10.00], [5.00-15.00], [10.00-20.00] and [15.00-25.00]
d. [0.00-5.99], [6.00-11.99], [12.00-17.99] and
[18.00-23.99]
In a survey, 23 people were asked how much they spend on their child’s last birthday...
In a survey, 23 people were asked how much they spend on their
child’s last birthday gift. The results were roughly bell-shaped
with a mean of $37 and standard deviation of $2. Find the margin of
error at an 80% confidence level. Find the confidence interval and
give a complete confidence statement. Round to 2 decimal
places.
Explain why the slave trade often divided children from parents and husbands and wives from each...
Explain why the slave trade often divided children from parents and
husbands and wives from each other. Why would slaves bring a
greater profit when sold individually rather than in family
groups?
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