Mr. Jenkins graded a 23-point history quiz. His class had a
mean score of 18 and a standard dev...
Mathematics, 05.05.2020 20:32, keke6361
Mr. Jenkins graded a 23-point history quiz. His class had a
mean score of 18 and a standard deviation of 2. He decided
the quiz should have been worth 100 points. To fix the
scores, he added 2 to every score and then multiplied by 4.
What are the new mean and standard deviation?
a)mean = 72; standard deviation = 8
b)mean = 80; standard deviation = 8
c)mean = 74; standard deviation = 10
d)mean = 80; standard deviation = 16
Answers: 1
Mathematics, 21.06.2019 15:50, jetblackcap
If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g
Answers: 1
Mathematics, 21.06.2019 21:30, madisonsimmons1120
Mon wants to make 5 lbs of the sugar syrup. how much water and how much sugar does he need… …to make 5% syrup?
Answers: 2
Mathematics, 21.06.2019 22:30, coolcat3190
What is 1.5% of 120 or what number is 1.5% of 120
Answers: 2
Chemistry, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
English, 18.03.2021 02:00
Physics, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
English, 18.03.2021 02:00
Health, 18.03.2021 02:00