STATISTICS HOMEWORK

Statistics Homework



Statistics Homework

Answer to the followings: (Ignore the textbook questions in Ch. 6.)

? Create the contingency table (=pivot-table) between type vs. cylinders. Plot the appropriate graph or chart to compare the cylinders among vehicle types. Describe your findings from the graph. (Hint: The relative frequency is more meaningful than the frequency.)

Cylinders * Type Crosstabulation

Count

Type

Total

Miniv

SUV

Sedan

Wagon

Cylinders

4

1

3

18

5

27

5

0

0

1

0

1

6

8

9

19

0

36

8

0

12

7

0

19

10

0

0

1

0

1

Total

9

24

46

5

84

From the above table and cluster bar chart it can be observed that sedan have high amount of efficiency among the other types of cylinders.

? Create the scatter plot between MSRP (in x-axis; unit of $1,000) & City Fuel Efficiency (in y-axis; unit of MPG). ...