Answer:B
Step-by-step explanation:
I think u just connect the dots
Answer:
It's a
Step-by-step explanation:
The speed goes up, and so does the time
then the speed stays the same but the time keeps going
then the time keeps going and the speed goes down
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
