A chain of sport shops catering to beginning skiers, headquartered in Aspen, Colorado, plans to conduct a study of how much a beginning skier spends on his or her initial purchase of equipment and supplies. Based on these figures, it wants to explore the possibility of offering combinations, such as a pair of boots and a pair of skis, to induce customers to buy more. A sample of 44 cash register receipts revealed these initial purchases:   $ 139 $ 82 $ 139 $ 161 $ 175 $ 82 $ 132 $ 149 $ 140 133 263 238 132 172 149 152 213 105 220 126 90 171 162 229 121 112 149 126 126 118 172 156 213 87 172 230 162 195 128 126 142 118 127 126     Click here for the Excel Data File   a-1. Find the smallest class interval. Use five classes. (Round your answer to 1 decimal place.)  36.2   a-2. What would be a better class interval? $40   b. Organize the data into a frequency distribution using a lower limit of $80.

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Exercise 2-37 (Algo) (LO2-3)

A chain of sport shops catering to beginning skiers, headquartered in Aspen, Colorado, plans to conduct a study of how much a beginning skier spends on his or her initial purchase of equipment and supplies. Based on these figures, it wants to explore the possibility of offering combinations, such as a pair of boots and a pair of skis, to induce customers to buy more. A sample of 44 cash register receipts revealed these initial purchases:
 

$ 139 $ 82 $ 139 $ 161 $ 175 $ 82 $ 132 $ 149 $ 140
133 263 238 132 172 149 152 213 105
220 126 90 171 162 229 121 112 149
126 126 118 172 156 213 87 172 230
162 195 128 126 142 118 127 126  

 

Click here for the Excel Data File
 

a-1. Find the smallest class interval. Use five classes. (Round your answer to 1 decimal place.) 

36.2

 



a-2. What would be a better class interval?

$40

 



b. Organize the data into a frequency distribution using a lower limit of $80.

I need help with the frequency. 
b. Organize the data into a frequency distribution using a lower limit of $80.
> Answer is complete but not entirely correct.
Frequency
80
120
160
200
240
Class
seesee
up
to
up
to
up
to
up
to
up
to
120
160
200
240
280
5 X
16 X
8 x
6
1
Transcribed Image Text:b. Organize the data into a frequency distribution using a lower limit of $80. > Answer is complete but not entirely correct. Frequency 80 120 160 200 240 Class seesee up to up to up to up to up to 120 160 200 240 280 5 X 16 X 8 x 6 1
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