anonymous
  • anonymous
A health food store has launched a new pack of vitamins for children. The store records the number of packs ordered by a random sample of 100 online customers and the number of packs ordered by a random sample of 100 walk-in customers.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
anonymous
  • anonymous
Which of the following inferences can be drawn about the buying pattern of the online customers versus that of the walk-in customers? Online customers buy an average of five packs compared with walk-in customers, who buy an average of three packs. Online customers buy an average of five packs compared with walk-in customers, who buy an average of two packs. Online customers buy an average of six packs compared with walk-in customers, who buy an average of three packs. Online customers buy an average of six packs compared with walk-in customers, who buy an average of two packs.
anonymous
  • anonymous
@Michele_Laino @Vocaloid

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More answers

welshfella
  • welshfella
Count the total number of packs bought by on-line customers and the same for walk-in. You can then find the average number of packs per customer by dividing the above totals by the number of customers
anonymous
  • anonymous
OK
welshfella
  • welshfella
Number packs for on-line customers = 5*6 + 4*5 + 4 = ?
anonymous
  • anonymous
54 @welshfella
anonymous
  • anonymous
1 Attachment
Michele_Laino
  • Michele_Laino
the mean of online customers is: \[\Large \frac{{\left( {4 \cdot 1} \right) + \left( {5 \cdot 4} \right) + \left( {6 \cdot 5} \right)}}{{10}} = ...?\]
welshfella
  • welshfella
54 is right so divide that by 10 to get the mean for online customers
Michele_Laino
  • Michele_Laino
whereas the mean of walk-in customers is: \[\Large \frac{{\left( {3 \cdot 2} \right) + \left( {3 \cdot 6} \right) + \left( {4 \cdot 1} \right)}}{{10}} = ...?\]
anonymous
  • anonymous
28?
Michele_Laino
  • Michele_Laino
yes! and 28/10=...?
anonymous
  • anonymous
2.8
Michele_Laino
  • Michele_Laino
correct! which can be rounded off to 3
Michele_Laino
  • Michele_Laino
whereas the mean of online customers is 54/10=...?
anonymous
  • anonymous
5.4
Michele_Laino
  • Michele_Laino
correct! and it can be rounded off to 5
Michele_Laino
  • Michele_Laino
so, what is the right option?
anonymous
  • anonymous
A.
Michele_Laino
  • Michele_Laino
that's right!
anonymous
  • anonymous
thank you so much! :)
Michele_Laino
  • Michele_Laino
:)

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