Mathematics, 28.01.2020 14:50 Cheyenneross366
The school’s guidance department compares the grade-point averages and standardized state test scores for 10 students in each grade. the table below shows the correlation coefficient for each data set.
grade level and correlation coefficient
9th grade 0.3
10th grade –0.1
11th grade 0.2
12th grade –0.8
for which data set(s) is a linear regression model reasonable?
~ 9th grade and 11th grade data sets
~ 10th grade data set
~ 10th grade and 12th grade data sets
~ 12th grade data set
Answers: 3
Mathematics, 21.06.2019 12:30
You are responsible for designing a new city. you are inspired by pierre charles l'enfant, who laid out the streets of our nation's capital. numbered streets run north and south, and lettered streets run east and west. avenues are named after states, and they intersect the streets on a diagonal. the streets are parallel and the intersections form similar triangles. 18th st. is 454 meters long and the intersection of 18th and k st. is 207 meters from connecticut ave. if 19th st. and k st. is 385 meters from connecticut ave., what is the length of 19th st.?
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Mathematics, 21.06.2019 19:30
Combine the information in the problem and the chart using the average balance method to solve the problem.
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Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
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Mathematics, 21.06.2019 20:00
For what type of equity loan are you lent a lump sum, which is to be paid within a certain period of time? a. a line of credit b. equity c. a second mortgage d. an amortization
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The school’s guidance department compares the grade-point averages and standardized state test score...
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