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...
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.
2. (20pts) Consider a sample with data values of 59, 71, 76, 78,
78, 82, 84,...
2. (20pts) Consider a sample with data values of 59, 71, 76, 78,
78, 82, 84, 86, 87, 89. Compute the: SHOW ALL WORK
(a) mean
(b) median
(c) mode
(d) standard deviation
(e) z-score for 76
Consider the data set:
34,49,27,15,50,57,31,39,27,51,62,42,42,36.
a. Compute the sample mean, the sample variance, and the sample...
Consider the data set:
34,49,27,15,50,57,31,39,27,51,62,42,42,36.
a. Compute the sample mean, the sample variance, and the sample
standard deviation of this data set. [Note: Round your answers to
four decimal places.]
b. Construct the five-point summary for this data set (i.e. find
its maximum, minimum, median, and quartiles) and sketch the
boxplot.
c. Are there any possible outliers in this data set?
d. Construct a Stem-and-Leaf plot.
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.)
Let the sample data and its corresponding distributions be
given as follows:
values (x)
frequency (f)...
Let the sample data and its corresponding distributions be
given as follows:
values (x)
frequency (f)
0
3
2
4
4
1
answer the following, find (a) range
of the data
(b) the median of the data
(c)mean of the data
(d) variance of the data
(e) Standard error of
the sample mean
Let the sample data and its corresponding distributions be
given as follows:
values (x)
frequency (f)
0
3
2
4
4
1
answer the following, find (a)...
This data is from a sample. Calculate the mean,
standard deviation, and variance.
This data is...
This data is from a sample. Calculate the mean,
standard deviation, and variance.
This data is from a sample. Calculate the mean,
standard deviation, and variance.
x
20.5
45.3
10.6
31.8
28.4
30.6
49.8
32.2
27.3
Please show the following answers to 2 decimal
places.
Sample Mean =
Sample Standard Deviation =
Sample Variance = (Please use the standard deviation
above for your calculation.)
Ooops - now you discover that the data was actually from a
population! So now you must...
Consider the following set of sample data, and find the
following (note: if you are using...
Consider the following set of sample data, and find the
following (note: if you are using TI 83 to find these values, you
need to write down the formulas that you should have used)
19
12
9
19
0
4
3
14
5
5
24
2
5
7
17
(a). Mean
(b). Median
(c). Mode
(d). Standard Deviation
(e). Variance
(f). Find the z-score for 14.
(i). Construct a Box-whisker plot for the data
(j). Construct a frequency distribution Table....