Question

In: Statistics and Probability

Need step by step solutions and calculations The following is a set of data from a...

Need step by step solutions and calculations

The following is a set of data from a sample of 11 items

X: 7 5 8 3 6 0 2 4 9 5 8

Y: 1 5 4 9 8 0 6 2 7 5 4

a. Construct a scatter plot using the sample data.

b. Calculate the mean, median variance and coefficient of variation and z-scores for X.

c. Determine the outliers.

d. Determine the quartiles of X.

e. Construct a box plot and determine the shape of X.

f. Is there a relationship between two variables X and Y? Explain.

g. What is the correlation between X and Y?

h. Approximately (Empirical Rule) how many of the data points in a bell-shaped distribution is within 1 standard deviation of the mean.

Solutions

Expert Solution

X scatterplot X dataset

Scatterplot Y dataset

orchestra answered 1 year ago
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