Answer:
-4
Step-by-step explanation:
y= mx+c
y= -4x+12-8
y= -4x+4
Therefore, m is -4.
Answer: Option "B" is correct.
Step-by-step explanation:
Since we have given that
α= 0.10
Let the population variances are equal and samples are random and independent.
Let
be the mean amount spent by a customer at Burger Stop.
Let
be the mean amount spent by customer at Fry World.
So, it has given that
the mean amount is spent by a customer at Burger stop is greater than the mean amount spent by a customer at Fry World.
So, Hypothesis would be :

Hence, Option "B" is correct.
Answer:
Lower quartile: 21.5
Median: 45
Upper quartile: 57.5
Step-by-step explanation:
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