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...
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%...
10, 15, 17, 18, 29, 15, 17, 18, 16,
24,
13, 38, 49, 29, 14, 25,...
10, 15, 17, 18, 29, 15, 17, 18, 16,
24,
13, 38, 49, 29, 14, 25, 21, 14, 35,
37,
38, 10, 19, 28, 17, 19, 24, 31, 32,
25,
26, 28, 19, 17, 24
Draw the following charts using the dataset above. Please write
a sentence or two interpreting the result (35
pts):
Histogram with five bins (be sure to use class boundaries)
(10pts)
Boxplot (15pts)
Stem and Leaf Plot (10pts)
Consider the following random sample of data:
13, 25, 30, 14, 21, 5, 9, 1, 101,...
Consider the following random sample of data:
13, 25, 30, 14, 21, 5, 9, 1, 101, 18
a) What is the median of the sample data?
Round your response to 2 decimal places.
b) If the outlier is removed, what is the median of the
remaining sample data?
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 )
Consider the following data from a random sample: 23 12 26 14 20
25 14 11...
Consider the following data from a random sample: 23 12 26 14 20
25 14 11 21 14 25 21 22 21 8 19 17 22 17 16
a.) Construct a stem-and-leaf plot and specify the five-number
index (min, Q1, Q2, Q3, & max)
b.) Compute the mean and the standard deviation
c.) Find a 95% confidence interval for the population mean.
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 )
2) Sketch the distribution Shapes approximately.
3) Determine the type of shape
4) Find coefficient of variation
5) Find the value of the 20th...