Mathematics, 25.11.2021 14:30, Ivonne728
AP Statistics teachers from across the country meet annually in Kansas City to score AP Statistics
exams. One social event that many teachers participate in is the annual Prediction Fun Run. Prior to the
race, the teachers predict how long it will take them to complete the 1.96-mile long course. During the
event, they are times and their actual finishing
2000
Actual Time (Seconds)
1.500
1.000
500
500
1.000
1.500 2000
Predicted Time (Seconds)
2.500
3.000
The winner of the race is not the fastest runner, but the most accurate runner
a) Letx=the runner's predicted time (in seconds) and y = the runner's actual time (in seconds)
Provide the equation of the line that can be used to assess how accurate the runners were. Plot
this line on the graph above. Clearly label two points you are using to plot the line.
b) is the line you drew in part (a) a least squares regression line for these data? Explain
Answers: 2
Mathematics, 21.06.2019 21:00, mayavue99251
If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?
Answers: 1
Mathematics, 21.06.2019 21:10, ttrinityelyse17
The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25
Answers: 2
Mathematics, 21.06.2019 22:20, anicholson41
Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350
Answers: 3
AP Statistics teachers from across the country meet annually in Kansas City to score AP Statistics...
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