Question

QUESTION 1 Q1). Suppose that you chose a random sample to find out the preference for soft drink. According to your survey results; 40 people prefer Coke, 30 people prefer Pepsi, 25 people prefer Sprite, 15 people prefer Dr Pepper and 10 people prefer 7-up What is the sample size 15 points) i. Contract the frequency relative frequency table (20 points)

Answer 1

1a) The sample size is as follows

Preference	No. of people
Coke	40
Pepsi	30
Sprite	25
Dr Pepper	15
7 up	10
	120

1b) Relative Frequency Table

Relative Frequency Table
Particular	Frequency Choosen		Relative Frequency
Coke	40	= 40/120	0.33
Pepsi	30	= 30/120	0.25
Sprite	25	= 25/120	0.21
Dr Pepper	15	= 15/120	0.13
7 up	10	= 10/120	0.08
	120		1

2a) Sample Mean