Question

- For the following Data determine the Mean, Standard Deviation, mode, median and coefficient of variation as well as developing a histogram:

29, 30, 25, 27, 28, 25, 27, 27, 27, 30, 28, 29, 27, 30, 28, 26, 29, 25, 26, 29

(report answers in form xx.xx)

Answer #1

The mean = 27.60

Standard deviation = 1.67

Mode =27

The median = 27.50

Coefficient of variation = 0.06

1. Determine the range, mean, median, mode, variance and
standard deviation for the following scores: 18, 14, 17, 22, 16,
26, 33, 27, 35, 28, 44, 40, 31, 53, 70, 73, 62, 74, 93, 103, 75,
86, 84, 90, 79, 99, 73

For each of the data sets provided below, calculate the mean,
median, mode, and standard deviation.
1) Data Set 1:
23, 26, 50, 39, 55, 64, 50, 10, 42, 35, 51, 42, 43, 56, 64, 48,
48, 57, 27, 37
2) Data Set 2:
26, 31, 10, 37, 38, 35, 30, 24, 26, 27, 24, 32, 32, 19, 34, 33,
14, 32, 24, 39, 30

2. In a given sample data below, find the mean, median, mode,
and standard deviation.22, 30, 26, 39, 40, 33, 26, 36.

(a) Find the mean, median, mode and
standard deviation of the following set of ungrouped sample
data:
4, 2, 3, 5, 3, 1, 6, 4, 2, 3
(b) What proportion of the
measurements lies within 1 standard deviation of the mean? Within 2
standard deviations of the mean? Within 3 standard
deviations?
(c) Based on your answers to part
(b), would you conjecture that the histogram is approximately bell
shaped? Explain.

This data is from a sample. Calculate the mean,
standard deviation, and coefficient of variation.
45.6
24.1
17
31.7
35.9
12.1
11.7
23
Please show the following answers to 2 decimal
places.
Mean =
Standard Deviation =
Coefficient of Variation = % (Please enter a whole number.)

Define the following terms, in your own words: Mean, Median,
Mode, Range, and Standard deviation.
2. Create and post an example that has a data set of 15 to 25
numbers, similar to the example in the Introduction above. Do not
find the mean, median, mode, range and standard deviation of your
data set.

2. Given the following data, calculate the mean, median, mode,
midrange, standard deviation, and variance.
14.35, 17.22, 18.90, 20.02, 34.43, 12.85, 18.49, 7.62, 19.93
(a) Mean
(b) Median
(c) Mode
(d) Range
(e) Standard Deviation
(f) Variance

Calculate the arithmetic mean, median, mode and standard
deviation for the following data.
Age in Years 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80
Number of people 8 7 15 18 22 14 10 5

Find the mean, median, mode, range, variance, and standard
deviation for the following data: 10,12, 15, 16, 16, 17, 18.

Which of the following is not a measure of location?
mean
median
mode
standard deviation

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