Mathematics, 11.03.2020 04:35 balletbella0531
A professor believes the students in a statistics class this term are more creative than most other students attending the university. A previous study found that students at the university had a mean score of 35 on a standard creativity test, and the current class has an average score of 40 on this scale with an estimated population standard deviation of 7. The standard deviation of the distribution of means is 1.63. What is the t score?
A. (40 – 35) / 7 = 0.71
B. (40 – 35) / 1.63 = 3.07
C. (40 – 35) / 7² = 5 / 49 = 0.10
D. (40 – 35) / 1.63² = 5 / 2.66 = 1.88
Answers: 3
Mathematics, 21.06.2019 14:50
Which expression is equivalent to 4 square root 6 divided by 3 root 2
Answers: 1
Mathematics, 22.06.2019 03:50
Suppose medical records indicate that the length of newborn babies (in inches) is normally distributed with a mean of 20 and a standard deviation of 2.6. find the probability that a given infant is between 14.8 and 25.2 inches long.
Answers: 3
A professor believes the students in a statistics class this term are more creative than most other...
Biology, 12.10.2019 08:30
Biology, 12.10.2019 08:30
Arts, 12.10.2019 08:30
Biology, 12.10.2019 08:30
Mathematics, 12.10.2019 08:30
Chemistry, 12.10.2019 08:30
Mathematics, 12.10.2019 08:30
Arts, 12.10.2019 08:30
Chemistry, 12.10.2019 08:30
English, 12.10.2019 08:30
Geography, 12.10.2019 08:30
History, 12.10.2019 08:30
English, 12.10.2019 08:30