subject
Mathematics, 24.08.2020 02:01 carlinryan

In a city with three high schools, all the ninth graders took a Standardized Test, with these results: High School Mean score on test Number of ninth graders Glenwood 84 279 Central City 92 341 Lincoln High 70 166 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was 82 . Of course, that is incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:30, shan6171
Acircle has a circumference of 7.850 units. what is its radius?
Answers: 2
image
Mathematics, 21.06.2019 23:30, byron17
Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is
Answers: 3
image
Mathematics, 22.06.2019 01:00, jaisha23
Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work:
Answers: 3
image
Mathematics, 22.06.2019 01:30, alliemeade1
Jon’s weight loss for each week of the month is 5 lbs., 2.5 lbs., and 2.5 lbs. he gained 3.5 lbs. the last week. if jon originally weighed 198 lbs., how much does he weigh now?
Answers: 1
You know the right answer?
In a city with three high schools, all the ninth graders took a Standardized Test, with these result...

Questions in other subjects:

Konu
Mathematics, 03.12.2020 06:10
Konu
Mathematics, 03.12.2020 06:10
Konu
Mathematics, 03.12.2020 06:10
Konu
Mathematics, 03.12.2020 06:10