3 years ago

A point estimate for the difference between the mean purchases of the users of the two credit cards is:

Mathematics

1 answer:

WARRIOR [948]3 years ago

3 0

Answer: D. (15)

The sample Mean of the two credit cards given are $140 and $125 respectively.

The difference between the mean purchase of the two cards gives:

$140 - $125 =$15

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