I need help with this STAT assignment, Alka-Seltzer recently embarked on an in-store promotional campaign, with displays of its antacid featured prominently in supermarkets. The company also ran its usual radio and television commercials. Over a period of 20 weeks, the company kept track of its expenditure on radio and television advertising, spending on in-store displays, and the company’s satisfaction. Also, the resulting sales volume for each week in the area studied were recorded. The data are 1n thousands of dollars and presented in the following table,
"in the file"
1. Describing the Quantitative (Numeric) Variables:

a. Construct the frequency and relative frequency distribution for each of the continuous variables. Use 5 classes.
b. Sketch the frequency and relative frequency histograms and the frequency polygon for the quantitative variables. Use 5 classes.
c. Comment on the shape of the distributions (Skewed right, Symmetric, …etc).
d. Please describe the continues variables numerically by computing the following: mean, median, mode, quartiles, range, standard deviation, and standard error.
e. Discuss in 1-3 sentences which measures of central tendency are meaningful for each variable.
f. Discuss in 1-3 sentences which measures of variability are meaningful for each variable.

2. Describing the categorical variable:
a. Construct the frequency and relative frequency tables for the categorical variable.
b. Graph a bar chart for the categorical variable.