Answer:
52.5
Step-by-step explanation:
7.50 x 7
Answer:
We can be 95% confident that consumers spend between $4.04 and $15.96 less at Store A than the consumers spend at Store B.
Step-by-step explanation:
Confidence Intervals give an estimate as range of values for a statistic concerned at a <em>confidence level</em>.
In this case the statistic is the mean difference between Store A and Store B purchase amounts and the confidence level is 95%.
Confidence Interval can be calculated using M±ME where
- M is the sample mean difference between Store A and Store B purchase amounts
- ME is the margin of error from the mean
The answer is 16 I think because 2*2=4*5=20-4=16 so I think 16 is the right answer
Answer:
m=-1/2
Step-by-step explanation:
m=-4-1/0- -10
m=-1/2