5. The following data shows the cost of a basket of leading products at 5 different randomly se-lected supermarkets in town A and town B on a certain day: Price per basket in 170 | 180 || 145 | 165 | 139 town A Price per basket in 168 143 135 110 | 120 town B For this data, the mean price of a basket of food in town A is $159.80 and the mean price for a basket of food in town B is $135.20. Using the mean values above, create and complete a table with the following headings for cach town. Basket of leading products price in town Deviation from mean Squared deviation (z – x)² Mean Sum Sum (a) Use the results from the table to substitute into the formula below to find the standard deviation of a basket of leading products prices for cach town. n-1 (b) Discuss the results of this survey.

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5. The following data shows the cost of a basket of leading products at 5 different randomly
se-lected supermarkets in town A and town B on a certain day:
Price per basket in | 170 | 180 || 145 | 165 | 139
town A
Price per basket in 168 143
135
110
120
town B
For this data, the mean price of a basket of food in town A is $159.80 and the mean price
for a basket of food in town B is $135.20.
Using the mean values above, create and complete a table with the following headings for
cach town.
Basket of leading
Deviation from mcan Squared deviation
(x – 2)?
products price in town ...
Mean =
Sum
Sum
(a) Use the results from the table to substitute into the formula below to find the standard
deviation of a basket of leading products prices for each town.
E(x – x)²
n -1
(b) Discuss the results of this survey.
Transcribed Image Text:5. The following data shows the cost of a basket of leading products at 5 different randomly se-lected supermarkets in town A and town B on a certain day: Price per basket in | 170 | 180 || 145 | 165 | 139 town A Price per basket in 168 143 135 110 120 town B For this data, the mean price of a basket of food in town A is $159.80 and the mean price for a basket of food in town B is $135.20. Using the mean values above, create and complete a table with the following headings for cach town. Basket of leading Deviation from mcan Squared deviation (x – 2)? products price in town ... Mean = Sum Sum (a) Use the results from the table to substitute into the formula below to find the standard deviation of a basket of leading products prices for each town. E(x – x)² n -1 (b) Discuss the results of this survey.
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