![subject](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 18:00 Yeetadab3376
The average score on an exam is 78. A test is given to 40 students and the average on the exam was 82 with a standard deviation of 14.
a) At the .01 level did the students do better than expected? (p = .039)
b) How do you explain the 4 point increase?
C) Interpret the p-value:
D) What is the only type of error that could have occurred
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:20
Simplify 6sin θsec θ. choices a) 6 tan θ b) 6 cos θ c) 6 cot θ d) 6
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?
Answers: 3
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.
Answers: 1
You know the right answer?
The average score on an exam is 78. A test is given to 40 students and the average on the exam was 8...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 15:30
![question](/tpl/images/cats/istoriya.png)
History, 31.08.2019 15:30
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/en.png)
English, 31.08.2019 15:30
![question](/tpl/images/cats/health.png)
Health, 31.08.2019 15:30
![question](/tpl/images/cats/biologiya.png)
Biology, 31.08.2019 15:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 31.08.2019 15:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 15:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 31.08.2019 15:30
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 15:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)