-10 is the answer
Plug in -4 for n so 2x-4-2=-10
Answer:
(attached below)
Step-by-step explanation:
I have attached what your graph should look like with 1 being the y intercept and -2/3 being your slope
Answer:
B,Friday
Step-by-step explanation:
4 to 9 is 5 hours,the total hours for the week is 32.5 hours
Answer:
-7/3
Step-by-step explanation:
Use the equation y1-y=x1-x. In this case, I used the points (2,5) and (5,-2). Plug this into the equation to get -2-5/5-2. Simplify this to get -7/3. This means the slope is equal to -7/3.
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Answer: 1.460
Step-by-step explanation:
Given : Researchers report that on average freshman who live on campus gain 15 pounds during their first year in college.
Let
represents the population mean .
Then, the set of hypothesis will be:-


We assume that this is normal distribution.
Sample size : n = 10, which is a small sample (n<30) ,s o we use t-test.
Sample mean : 
Standard deviation : 
The test statistic for population mean for small sample is given by :-


Hence , the value of test statistic = 1.460