Consider these data sets:
I: 1, 3, 2, 2, 5, 4, 4, 3, 3
II: 1,...
Consider these data sets:
I: 1, 3, 2, 2, 5, 4, 4, 3, 3
II: 1, 2, 4, 1, 2, 5, 2, 5, 1, 5, 5, 3
(a) Find the mean and median for each set. Show your work.
(b) Find variance and standard deviation for each set. Show your
work.
(c) Would you be surprised to hear someone claim that these data
were drawn from the same population? (Hint: Draw a histogram for
each set. Compare the shapes.)
Consider the following sample: 1, 5, 5, 3, 4, 3, 6, 4, 1, a
1) If...
Consider the following sample: 1, 5, 5, 3, 4, 3, 6, 4, 1, a
1) If the mean of this numerical data set is 3.7 , find the
value of a
2) Evaluate the standard deviation the sample
3) Find P80
Consider the following data: 10, 2, 1, 4, 5, 3, 4.
a) Find the median.
b)...
Consider the following data: 10, 2, 1, 4, 5, 3, 4.
a) Find the median.
b) Find the mean.
c) Find the standard deviation.
d) Find the median if -3.2 is added to each data
point.
e) Find the mean if -3.2 is added to each data
point.
f) Find the standard deviation if -3.2 is added to
each data point.
g) Find the median if each data point is
multiplied by -9.2.
h) Find the mean if each data...
Consider the following set of ungrouped sample data. Answer
parts A through D.
5 4 4 4 0 2 3 7 7 8&nb
Consider the following set of ungrouped sample data. Answer
parts A through D.
5 4 4 4 0 2 3 7 7 8
(A) Find the mean and standard deviation of the ungrouped
sample data.
x=
(B) What proportion of the measurements lies within 1 standard
deviation of the mean? Within 2 standard deviations? Within 3
standard deviations?
(C) Based on your answers to part (B), would you conjecture
that the histogram is approximately bell shaped? Explain.
(D) To confirm your conjecture, construct a histogram with the
class interval...
he following set of data is from a sample of
n equals =6.
7
4
2...
he following set of data is from a sample of
n equals =6.
7
4
2
7
1
13
a. Compute the mean, median, and mode.
b. Compute the range, variance, standard deviation, and
coefficient of variation.
c. Compute the Z scores. Are there any outliers?
d. Describe the shape of the data set.
Consider the following data. 5,−7,−2,−11,−12,3
Step 1 of 3:
Determine the mean of the given data....
Consider the following data. 5,−7,−2,−11,−12,3
Step 1 of 3:
Determine the mean of the given data.
Step 2 of 3:
Determine the median of the given data.
Step 3 of 3:
Determine if the data set is unimodal, bimodal, multimodal, or
has no mode. Identify the mode(s), if any exist.
The
following set of data is from a sample of n = 7: 17 7 4...
The
following set of data is from a sample of n = 7: 17 7 4 9 0 7 3
a.Compute the mean,median and mode.
b.Compute the range,variance,standard deviation and
coefficient of variation.
c.compute the z scores, are there any outliers?
d.Describe the shape of the data set.
Consider the following data. −1, 12, −10, −6, −6, −2, 4, −7
Step 1 of 3:...
Consider the following data. −1, 12, −10, −6, −6, −2, 4, −7
Step 1 of 3: Determine the mean of the given data.
Step 2 of 3: Determine the median of the given data.
Step 3 of 3: Determine if the data set is unimodal, bimodal,
multimodal, or has no mode. Identify the mode(s), if any exist.
Separate multiple modes with commas, if necessary.
The following set of data is from a sample of
n equals 7n=7.
13 4 1...
The following set of data is from a sample of
n equals 7n=7.
13 4 1 10 3 4
713 4 1 10 3 4 7
a. Compute the mean, median, and mode.
b. Compute the range, variance, standard deviation, and
coefficient of variation.
c. Compute the Z scores. Are there any outliers?
d. Describe the shape of the data set.
I am having a hard time getting the variance.
The following is a set of data from a sample of n equals 5 n=5.
10,2,1,6,3 ...
The following is a set of data from a sample of n equals 5 n=5.
10,2,1,6,3 a. Compute the mean, median, and mode. b. Compute
the range, variance, standard deviation, and coefficient of
variation. c. Compute the Z scores. Are there any outliers? d.
Describe the shape of the data set.