subject
Mathematics, 19.03.2020 21:10 cathhgc95791

1. Before you took this course, you probably heard many stories about Statistics courses. Oftentimes
parents of students have had bad experiences with Statistics courses and pass on their anxieties to their
children. To test whether actually taking AP Statistics decreases students' anxieties about Statistics, an
AP Statistics instructor gave a test to rate student anxiety at the beginning and end of his course.
Anxiety levels were measured on a scale of 0-10. Here are the data for 16 randomly chosen students
from a class of 180 students:
paired
t
SU
Pre-course anxiety level
Post-course anxiety level
Difference (Post - Pre)
7 6 9 5
4 3 7 3
-3 -3 -2 -2
6 7
4 5
-2 -2
5
4
-1
7 6 4
6 5 3
-1 -1 -1
3
2
-1
2 1
2 1
0 0
3
3
0
4
4
0
2
3
1

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make
Answers: 2
question
Mathematics, 21.06.2019 18:20
What is the solution set of the quadratic inequality x2- 5< 0? o {xl-55x55{x- 155x55){xl -55x5 15){x1 - 15 sx5/5)
Answers: 2
question
Mathematics, 22.06.2019 00:00
At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad
Answers: 1
question
Mathematics, 22.06.2019 01:30
An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ÌŠ and to the other is 52 ÌŠ. how far apart are the cars?
Answers: 2
You know the right answer?
1. Before you took this course, you probably heard many stories about Statistics courses. Oftentimes...
Questions
question
Mathematics, 26.08.2020 20:01
question
Mathematics, 26.08.2020 20:01
question
Physics, 26.08.2020 20:01
question
History, 26.08.2020 20:01
question
Mathematics, 26.08.2020 20:01
question
Computers and Technology, 26.08.2020 20:01