Question 5 - A-Level Maths

Exam Board	OCR MEI
Module	S1 (Statistics 1)
Year	2010
Session	June
Topic	Measures of Location and Spread
Type	Forward transformation: find new statistics

5 A retail analyst records the numbers of loaves of bread of a particular type bought by a sample of shoppers in a supermarket.

Number of loaves	0	1	2	3	4	5
Frequency	37	23	11	3	0	1

Calculate the mean and standard deviation of the numbers of loaves bought per person.
Each loaf costs \(\pounds 1.04\). Calculate the mean and standard deviation of the amount spent on loaves per person.