Question
In: Statistics and Probability
The following are data on the number of loans approved by a bank per day for...
The
following are data on the number of loans approved by a bank per
day for 25 working days:
73 19 16 64 28 28 31 90 60 56 31 56 22 18 45 48 17 17 17 91 92 63 50 51 69
a. Calculate the average, median, quartile 1 and quartile 3
b. Calculate range, interquartile range, variance, standard deviation, and coefficient of variation.
c. Draw a box plot, give a conclusion
73 19 16 64 28 28 31 90 60 56 31 56 22 18 45 48 17 17 17 91 92 63 50 51 69
a. Calculate the average, median, quartile 1 and quartile 3
b. Calculate range, interquartile range, variance, standard deviation, and coefficient of variation.
c. Draw a box plot, give a conclusion
Solutions
orchestra answered 2 years agoRelated Solutions
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day 12 adults
spent in front of screens watching television – related content.
Complete parts a) and b) below.
1.3 5.1 4.2 5.4 7.7 6.8 5.6 2.7 5.2 1.8 2.2 8.8
Construct a 99% confidence interval to estimate the average
number of hours per day adults spend in front of screens watching
television – related content.
a) The 99% confidence interval to estimate the average number of
hours per day adults...
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day 12 adults
spent in front of screens watching television-related content.
Complete parts a and b below. 1.2, 4.6 ,4.3 ,5.1 ,7.9 ,7.1 ,5.7
,3.5 5.4, 1.2 ,2.5 and 8.4 a. Construct a 99% confidence interval
to estimate the average number of hours per day adults spend in
front of screens watching television-related content. The 99%
confidence interval to estimate the average number of hours per day
adults spend in front...
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day 12 adults
spent in front of screens watching television-related content.
1.7, 4.6, 4.1, 4.7, 7.1, 6.6, 5.9, 2.6, 5.3, 1.5, 2.3, 8.6
Construct a 95% confidence interval to estimate the average
number of hours per day adults spend in front of screens watching
television-related content.
Estimate the average number of hours per day adults spend in
front of screens watching television-related content from min to
max hours
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day
12 adults spent in front of screens watching television-related
content. Complete parts a and b below.
1.31.3
4.84.8
4.34.3
4.94.9
7.67.6
6.96.9
5.45.4
3.33.3
5.15.1
1.11.1
2.12.1
8.18.1
a.a.
Construct a 95% confidence interval to estimate the average
number of hours per day adults spend in front of screens
watchingtelevision-related content.
The 95% confidence interval to estimate the average number of
hours per day adults spend in front of screens...
The following data presents the number of units of production per day turnout by 5 different...
The following data presents the number of units of
production per day turnout by 5 different number of workers using
five different number of machines.
Machines types
Workers A B C
D
1.
44 38 47 36
2.
46 40 52 43
3.
34 36 44 32
4. 43
38 46 33
5.
38 42 49 39
1. test whether the mean productivity is same for the different
machines
2. test whether the five workers differ with respect
to...
The following data represent the number of flash drives sold per day at a local computer...
The following data
represent the number of flash drives sold per day at a local
computer shop and their prices.
Price (x) Units Sold
(y)
$34
4
36
4
32 6
35
5
31
9
38
2
39
1
You may use Excel for
solving this problem.
Compute the sample correlation
coefficient between the price and the number of flash drives
sold.
Develop a least-squares
estimated regression line.
Compute the coefficient of
determination and explain its meaning.
Test to...
A bank manager claims that the median number of customer per day is no more than...
A bank manager claims that the median number of customer per day
is no more than 440. A teller doubts the accuracy of this claim.
The number of bank customers per day for 16 randomly selected days
are listed below
410, 416, 416, 420, 430, 433, 437, 440, 450, 455, 455, 460, 463,
465, 465, 470
At the 0.05 significance level, test the bank manager's
claim.
The test statistic x is______
The x-critical value is________
QUESTION 1. The data for number of sleeping hours per day were recorded as below A...
QUESTION 1. The data for number of sleeping hours per day were
recorded as below
A sample of 15 males has a sample mean of 7.3 hours and the
population standard deviation is assumed to be 1.26 hours.
A sample of 18 females has a sample mean of 7.8 hours and the
population standard deviation is assumed to be 1.51 hours.
a) Use the P-VALUE METHOD with a 0.08 significance level to test
the claim that the mean number of...
Which of the following is NOT a difference between bank loans and corporate bonds. Bank...
Which of the following is NOT a difference between bank loans
and corporate bonds.
Bank loans typically have more covenants than corporate
bonds.
Bank loans typically have a longer maturity than corporate
bonds.
Bank loans typically carry a floating interest rate, while
corporate bonds carry a fixed rate of interest.
Bank loans can be prepaid while corporate bonds cannot unless
they have a callability provision.
The following data indicates the daily high, in °F, for a given day and the number...
The following data indicates the daily high, in °F, for a given
day and the number of cars sold that day. Use R to construct a
scatter plot of the data. Does there appear to be a linear
correlation? What kind?
x (65, 75, 71, 83, 79, 77, 86, 90, 86, 93, 95, 94) Temp
y (7, 8, 7, 8, 9, 7, 5, 3, 7, 4, 3, 3) Cars sold
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