Mathematics, 22.04.2020 20:18 sketchers
The national average on a reading test is 72. The average for a sample of 80 students in a certain geographical region who took the exam is 70. Is the average test score for students in this region statistically different from the national average? Find the P-value for the test. Assume a population standard deviation of 13.
A) 0.0419
B) 0.0210
C) 0.3352
D) 0.1676
E) 0.0838
Answers: 1
Mathematics, 21.06.2019 14:30, LuxTheGirl2543
Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?
Answers: 1
Mathematics, 21.06.2019 16:30, skylarjohnson2683
What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.
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