jaubrey20
05.05.2020 •
Mathematics
A store manager wishes to investigate whether there is a relationship between the type of promotion offered and the numbe
of customers who spend more than $30 on a purchase. Data will be gathered and placed into the two-way table below
Customer Spending by Promotion Run
Customers
Spending
More than $30
Customers
Spending
$30 or Less
$10 off $50
15% off
$5 off $25
Buy-1-Get-1 Half Off
Which statement best describes how the manager can check if there is an association between the two variables?
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Ответ:
a is less than zero
Step-by-step explanation:
i got it right