Question
A sample of college students was asked how much they spent monthly on cell phone plans....
A sample of college students was asked how much they spent monthly on cell phone plans.
Approximate the standard deviation for the cost.
| Monthly
cell phone plancell phone plan cost ($) |
Number of students |
|
|---|---|---|
|
10.00-19.99 |
8 |
|
|
20.00-29.99 |
12 |
|
|
30.00-39.99 |
30 |
|
|
40.00-49.99 |
12 |
|
|
50.00-59.99 |
8 |
The sample standard deviation for the cost is
$______.
(Round to the nearest cent as needed.)
Homework Answers
Answer #1
The sample standard deviation for the cost is 11.2932 $
Not the answer you're looking for?
Similar Questions
A sample of college students was asked how much they spent monthly on pizza. Approximate the...
A sample of college students was asked how much they spent
monthly on pizza. Approximate the standard deviation for the cost.
Monthly pizza cost $ (Number of students)
10.00-19.99 (9)
20.00-29.99 (13)
30.00-39.99 (28)
40.00-49.99 (12)
50.00-59.99 (5)
The sample standard deviation for the cost is $ ____ (Round to
the nearest cent as needed.)
A sample of college students was asked how much they spent monthly on coffee. Approximate the...
A sample of college students was asked how much they spent
monthly on coffee. Approximate the standard deviation for the
cost.
Monthly
coffee
cost ($)
Number of students
10.00-19.99
7
20.00-29.99
20
30.00-39.99
24
40.00-49.99
13
50.00-59.99
6
The sample standard deviation for the cost is __ (Round to the
nearest cent as needed.)
A sample of college students was asked how much they spent monthly on pizza. Approximate the...
A sample of college students was asked how much they spent
monthly on pizza. Approximate the standard deviation for the cost.
Monthly pizza cost ($) Number of students 10.00-19.99 (5)
20.00-29.99 (19) 30.00-39.99 (21) 40.00-49.99 (19)
50.00-59.99
A sample of college students was asked how much they spent monthly on coffee. Approximate the...
A sample of college students was asked how much they spent
monthly on coffee. Approximate the standard deviation for the
cost.
Monthly
coffeecoffee
cost ($)
Number of students
10.00-19.99
7
20.00-29.99
20
30.00-39.99
24
40.00-49.99
13
50.00-59.99
6
The sample standard deviation for the cost is __
A sample of college students was asked how much they spent monthly on pizza. Approximate the...
A sample of college students was asked how much they spent
monthly on pizza. Approximate the standard deviation for the
cost
Monthly Pizza cost ($) Number of students
10.99-19.99 6
20.99-29.99 20
30.99-39.99 29
40.99-49.99 10
50.99-59.99 10
The sample standard deviation for the cost is $___. (round to
the nearest cent)
A sample of college students was asked how much they spent monthly on a cell phone...
A sample of college students was asked how much they
spent monthly on a cell phone plan (to the nearest dollar). Find
sample standard deviation.
Monthly Cell Phone Plan Cost ($)
Number of Students
10 - 19
8
20 - 29
16
30 - 39
21
40 - 49
11
50 - 59
4
Q13) The following data represent the difference in
scores between the winning and losing teams in a sample of 15
college football bowl games from 2004-2005....
A marketing professor asked a random sample of college students who have cell phones how much...
A marketing professor asked a random sample of college students
who have cell phones how much their monthly bill was. He found the
sample mean was $100. Using a two-tailed significance test, he
rejected Ho: µ = $80 using the usual decision cutoff of α = 0.05.
Which one of the following could be a 95% confidence interval for
the mean monthly cell phone bill for all college students with cell
phones?
Show your reasoning.
a) ($70, $110)
b) ($70,...
Suppose the amount spent on cell phone service for students per month is normally distributed and...
Suppose the amount spent on cell phone service for students per
month is normally distributed and has a mean of $54 and a standard
deviation of $9.
Binomial or Normal?
What is the probability that the monthly cell phone bill for a
randomly selected Wake Tech student is more than $60?
What is the probability that the monthly cell phone bill for a
randomly selected Wake Tech student is less than $50?
Most student’s bill will be in the middle...
This is a Java program Program Description You work for a local cell phone company and...
This is a Java program
Program Description
You work for a local cell phone company and have been asked to
write a program to calculate the price of a cell phone data plan
being purchased by a customer.
The program should do the following tasks:
Display a menu of the data plans that are available to be
purchased.
Read in the user’s selection from the
menu. Input Validation: If the user enters an
invalid option, the program should display an error...
In a study about how much College students sleep at night, a sample of 25 students...
In a study about how much College students sleep at night, a
sample of 25 students was selected. The sample average mean number
of hours of sleep was 6.64 and the sample standard deviation was
1.075.
(a) Construct a 90% confidence interval for the true mean number
of hours of sleep at night College students get.
(b) Interpret the interval.
(c) What assumptions must be satisfied for the interval obtained
in part (a) to be statistically valid?
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 4 minutes ago
asked 4 minutes ago
asked 23 minutes ago
asked 27 minutes ago
asked 37 minutes ago
asked 37 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago