12, 16, 21, 14, 21, 20, 17, 13, 18, 22
Find a 95% CI for the...
12, 16, 21, 14, 21, 20, 17, 13, 18, 22
Find a 95% CI for the population mean assuming the population
variance is 12.
From your CI above do you think the population mean could be 24?
State Yes or No and why.
Find a 90% CI for the population mean assuming the population
standard deviation is unknown.
From your CI above do you think the population mean could be
18?
State Yes or No and why.
Find a 90%...
Assuming that the population standard deviation is
unknown, calculate the 95% confidence interval of the
population...
Assuming that the population standard deviation is
unknown, calculate the 95% confidence interval of the
population mean.
The following is the data. Calculating Process should be shown
by Excel (Formulas). What formulas in statistics are used?
7
21
23
24
18
16
2
19
11
6
3
13
17
9
5
12
13
17
4
14
15
25
12
24
22
14
14
20
15
11
26
17
21
11
4
13
16
14
13
14
25
23
9
15...
Consider the following data:
25
24
18
20
21
18
16
20
23
17
15
13...
Consider the following data:
25
24
18
20
21
18
16
20
23
17
15
13
19
23
24
20
16
26
21
24
15
22
16
12
20
23
19
26
20
25
21
19
21
25
23
26
21
19
20
14
(a)
Develop a frequency distribution
using classes of 12-14, 15-17, 18-20, 21-23, and 24-26.
Class
Frequency
12-14
15-17
18-20
21-23
24-26
Total
(b)
Develop a relative frequency
distribution and a percent frequency distribution using the classes...
Preform the following calculations on the sample below: {10, 10,
20, 15, 10, 14, 17, 17,...
Preform the following calculations on the sample below: {10, 10,
20, 15, 10, 14, 17, 17, 12, 11, 13, 12}
a. What is the sample size of the dataset
b. Calculate the mean
c. Find the median
d. Find the mode
e. Calculate the sample variance and sample standard
deviation
f. Find the 35th percentile of the data
Compute the mean, median, range, and mode of the following ten
numbers:
12, 15, 17, 17,...
Compute the mean, median, range, and mode of the following ten
numbers:
12, 15, 17, 17, 17, 18, 21, 24, 26, 30.
The mean of the five numbers: 14, 18, 20, 30, and x is 19. What
is x?
Compute the sample standard deviation and population standard
deviation of 10, 20, 25, 35, 40. Show all your calculations
Find the population variance and standard deviation for the set
of data: 13, 7, 21, 4,...
Find the population variance and standard deviation for the set
of data: 13, 7, 21, 4, 15, 23, 7,
6.
For the following Simple data ( separately ) :
18 , 30 , 14 , 21...
For the following Simple data ( separately ) :
18 , 30 , 14 , 21 , 25 , 24 , 34 , 15 , 25 , 26 , 18 , 24 , 18 , 33
, 20
1) Find ( Mean , Mode , Median , Range , Midrange , Standard
Deviation , Variance )