Mathematics, 25.01.2020 07:31 loganshockley123
Test scores were recorded for students in a statistics class. the scores for the first test had a standard deviation of 3.8 points. the scores from the second test had a standard deviation of 4.8 points. choose the correct statement below.
1. the average test grade rose by 1 point
2. the scores of the second test were closer together than the first
3. the higher standard deviation of the second test indicates higher average scores on the second test than on the first
4. none of the above are true
Answers: 3
Another question on Mathematics
Mathematics, 22.06.2019 00:40
Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?
Answers: 2
Mathematics, 22.06.2019 01:00
In each diagram, line p is parallel to line f, and line t intersects lines p and f. based on the diagram, what is the value of x? ( provide explanation)
Answers: 1
Mathematics, 22.06.2019 03:00
∠1 and ∠2 are vertical angles. ∠2 has a measure of 63°. what is the measure of ∠1 ? enter your answer in the box.
Answers: 2
Mathematics, 22.06.2019 03:30
In 2000 the average price of a football ticket was $48.28. during the next 4 years, the proce increased an average of 6% each year.a) write a model giving the average price (p), in dollars, of a ticket (t) in years after 2000.b) graph the model. estimate the year when the average ticket price was about $60
Answers: 1
You know the right answer?
Test scores were recorded for students in a statistics class. the scores for the first test had a st...
Questions
Mathematics, 02.09.2020 19:01
World Languages, 02.09.2020 19:01
Mathematics, 02.09.2020 19:01
History, 02.09.2020 19:01
English, 02.09.2020 19:01
Mathematics, 02.09.2020 19:01
French, 02.09.2020 19:01
Chemistry, 02.09.2020 19:01
Business, 02.09.2020 19:01
