Answer:
see explaination
Step-by-step explanation:
Part-A:
The predicted value of count is given by:
Count = 602.8-74.7 × time
Using the above regression equation and substituting the value of 'time' variable, we get the Predicted Count as below: see table in attachment.
From the attachment, The residual value is determined by : Predicted Count - Observed Count.
Part B;
Plot of Residual v/s Time:
See attachment
Answer:62%
Step-by-step explanation: if you divide the amount spent by the amount made you get the percentage
For number 25, you would plot 0 in the middle. then, plot the negative and positive numbers on the number line. It should be plotted like this, -4, -3, -2, -1, 0 1, 2, 3, 4. Monday would be -2, Tuesday would be -1, and Wednesday would be -3.
As for number 27, you can put zero represents the amount of money Monica started with.
Answer:
6 positive
Step-by-step explanation:
if u subtract a negative you are really just adding a positive. ok? ok.
Step-by-step explanation:
Let x be the amount Jennifer needs to spend more.
We have $112.49 + x >= $250.
We subtract $112.49 from both sides of the inequality to get x >= $137.51.
Hence, Jennifer needs to spend at least $137.51 more to earn the free T-shirt.