Question

In a study of speed dating, male subjects were asked to rate the attractiveness of their female dates, and a sample of the results is listed below (1=not attractive; 10=extremely attractive). Construct a confidence interval using a 90% confidence level. What do the results tell about the mean attractiveness ratings of the population of all adult females?

6, 7, 2, 8, 5, 6, 8, 8, 9, 9, 5, 8

What is the confidence interval for the population mean μ?

< μ < (Round to one decimal place as needed.)

What does the confidence interval tell about the population of all adult females? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice.

A.We are 90%confident that the interval from to actually contains the true mean attractiveness rating of all adult females. (Round to one decimal place as needed.)

B.We are confident that 90% of all adult females have attractiveness ratings between and . (Round to one decimal place as needed.)

C. The results tell nothing about the population of all adult females, because participants in speed dating are not a representative sample of the population of all adult females.

Answer #1

The statistical software output for this problem is:

Hence,

Confidence interval:

**5.7** < μ < **7.8**

The results tell nothing about the population of all adultfemales, because participants in speed dating are not a representative sample of the population of all adult females.

A. In a study of speed dating, male subjects were asked to rate
the attractiveness of their female dates, and a sample of the
results is listed below (1equals=not attractive; 10
equals=extremely attractive). Construct a confidence interval using
a 99% confidence level. What do the results tell about the mean
attractiveness ratings of the population of all adult females?
5,7, 2, 8, 6, 6, 7, 7, 9, 9, 3, 8
B. What does the confidence interval tell about the population...

In a study of speed dating, male subjects were asked to rate
the attractiveness of their female dates, and a sample of the
results is listed below (1equalsnot attractive; 10equalsextremely
attractive). Construct a confidence interval using a 90%
confidence level. What do the results tell about the mean
attractiveness ratings of the population of all adult females?
5, 8, 1, 8, 6, 5, 7, 9, 7, 8, 5, 9
What is the confidence interval for the population mean mu?
nothingless...

In a study of speed dating, male subjects were asked to rate
the attractiveness of their female dates, and a sample of the
results is listed below
(1=not attractive; 10=extremely attractive). Construct a
confidence interval using a 99%
confidence level. What do the results tell about the mean
attractiveness ratings of the population of all adult females?
6
8
1
9
6
5
6
9
7
8
4
9
Answer A and B below.
A). What is the confidence interval...

In a study of speed dating, male subjects were asked to rate
the attractiveness of their female dates, and a sample of the
results is listed below (1equals not attractive; 10equals
extremely attractive). Construct a confidence interval using a 99
% confidence level. What do the results tell about the mean
attractiveness ratings of the population of all adult females? 6
, 7 , 2 , 8 , 4 , 4 , 8 , 9 , 9 , 10 ,...

In a study of speed dating, male subjects were asked to rate
the attractiveness of their female dates, and a sample of the
results is listed below (1=notattractive;10=extremely
attractive). Construct a confidence interval using a 90%confidence
level. What do the results tell about the mean attractiveness
ratings of the population of all adult females?
6,8,3,8,6,4,7,8,9,10,5,9
Q) What is the confidence interval for the population mean μ?
_____ < μ < ______ ( round to one decimal place as needed
)

In a study of speed dating, male subjects were asked to rate
the attractiveness of their female dates, and a sample of the
results is listed below (1=not attractive; 10=extremely
attractive). Construct a confidence interval using a 90%
confidence level. What do the results tell about the mean
attractiveness ratings of the population of all adult females?
5,8,3,9,6,4,7,7,7,9,6,9
What is the confidence interval for the population mean μ?

In a study of speed dating, male subjects were asked to rate
the attractiveness of their female dates, and a sample of the
results is listed below (1 =not attractive; 10 =extremely
attractive). Construct a confidence interval using a 95%
confidence level. What do the results tell about the mean
attractiveness ratings of the population of all adult
females?
8, 8, 3, 9, 4, 6, 7, 9, 7, 10, 5, 8
What is the confidence interval for the population mean...

In a study of speed dating, male subjects were asked to rate
the attractiveness of their femaledates, and a sample of the
results is listed below
(1equals=not
attractive;
10equals=extremely
attractive). Construct a confidence interval using a
9999%
confidence level. What do the results tell about the mean
attractiveness ratings of the population of all adult females?
77,
88,
11,
1010,
44,
66,
66,
99,
77,
99,
55,
99
What is the confidence interval for the population mean
muμ?
nothingless...

In a study of speed dating, male subjects were asked to rate
the attractiveness of their female dates, and a sample of the
results is listed below (1 equals =not attractive; 10 equals =
extremely attractive). Construct a confidence interval using a
99
99% confidence level. What do the results tell about the mean
attractiveness ratings of the population of all adult
females?
8, 9, 1, 9, 6, 5, 6, 8, 8, 10, 3, 9
What is the confidence interval...

In a study of speed dating, male subjects were asked to rate
the attractiveness of their female dates, and a sample of the
results is listed below (1equalsnot attractive; 10equalsextremely
attractive). Construct a confidence interval using a 90%
confidence level. What do the results tell about the mean
attractiveness ratings of the population of all adult females? 7,
7, 1, 8, 4, 6, 7, 9, 7, 9, 5, 9

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