can you please answer all three question
The following table gives the average price of gasoline per gallon for
10 states in the US.
State
Price per
gallon
(10/8/2021)
Alabama $2.70
Arkansas $3.26
Illinois $3.52
Indiana $3.25
Kansas $2.98
Louisiana $2.98
New Jersey $3.25
South Dakota $3.24
Washington $3.80
Wyoming $3.52
Q1 ] Using the appropriate formulas manually calculate the
following summary statistics :
i. Mean
ii. Median
iii. Range
iv. First, Second and Third Quartiles
v. Variance
vi. Standard Deviation
vii. Coefficient Variation
viii. Z-score
ix. Skewness
x. Kurtosis
Q2 ] Interpret and explain each results you have obtained in
Q1. Each should not be longer than 2-3 lines long explanation.
Q3 ] Draw a bell-shaped curve and show where 50% of data
values are located. Also explain why and how you can use the bell-
shaped curve to locate these data values.
