math214

posted by .

Use the following data to justify the amount of time that you expect to assign for weekly homework to classes in grades K–4 and grades 5–8. National Survey of Teachers Concerning the Amount of Homework Assigned per Week k-4 (percentages) 5–8 (percentages) 0–30 min 48 8 31–60 min 27 21 61–90 min 13 26 91–120 min 8 24 2–3 hr 3 17 More than 3 hr 1 5 b. How might the survey data be misused to justify assigning at least 2 hr of homework per week?

Similar Questions

1. math question

hi, i have a math question that i need help with: when data are non-numerical but can be ordered, such as letter grades, the mean cannot be calculated directly; but both the median and mode can be found. Last year in Ms. Flag's history …
2. mathematics (percentages)

math problem: pedro wants to calculate his gpa. he has the lab grades:90/100,98/100,90/100,94/100,90/100,90/100,95/100,98/100. Labs are worth 20%. He has the test grades: 9/10,6/10,10/10,10/10,5/10,7/10,7/10,7/10,10/10,10/10,8/10,10/10. …
3. math

Which situation should be analyzed using bivariate data?
4. math 115

The following information shows a relationship between the amount spent perweek on advertising by a small fast-food shop and the total sales per week: Use this information to make a line graph and then predict the weekly sales associated …
5. AP Statistics

Of all U.S. fourth graders, 71% are assigned mathematics homework three or more times per week. If 5 fouth graders are randomly selected to be checked for this frequency of homework assignment during a randomly chosen week, find the …
6. MAT115

The following information shows a relationship between the amount spent per week on advertising by a small fast-food shop and the total sales per week. Use it to answer question 5. Amount spent 10 20 30 40 Sales 200 380 625 790 Predict …
7. pschology

An article published in the "New York Times" reported the results of a large-scale study on homework for elementary school children. The study indicated that the lowest-achieving students spent more time on homework than children who …
8. statistics

A professor is interested in determining whether assigning mandatory homework affects students’ grades. He is currently teaching two sections of the same class; in one class, he assigns mandatory homework problems, while in the second …
9. math

For every 3 classes in the intermediate grades, there are 5 teachers. How many teachers are there for 15 classes.
10. Math- Prob Stat

The amount of time a student spends completing homework per week their senior year is normally distributed with a mean of 5 hours and a standard deviation of 1.4 A. Find the probability a randomly selected student spends less than …

More Similar Questions