Mathematics
Mathematics, 11.12.2019 23:31, nia454

Two speed studies are taken under situations that are considered identical and the following results were obtained: • study 1, mean is 30.8, standard deviation is 6.2, and the sample size is 100 • study 2, mean is 32.2, standard deviation is 5.4, and the sample size is 200 are the means in the two studies significantly different at the 95% confidence level?

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:00, babygirl123468
Martha needs 22.25 strawberries for every 5 smoothies she makes. complete the table to see how many strawberries she would need to make 10 smoothies and 20 smoothies.
Answers: 1
image
Mathematics, 21.06.2019 17:00, samiam61
The equation of a circle is (x + 4)2 + (y + 6)2 = 16. determine the length of the radius. 10 4 16 8 my flower basket delivers flowers within a 20 mile radius of their store. if this area is represented graphically, with my flower basket located at (5, 2), what is the equation that represents the delivery area? (x - 2)2 + (y - 5)2 = 20 (x - 5)2 + (y - 2)2 = 20 (x + 5)2 + (y + 2)2 = 400 (x - 5)2 + (y - 2)2 = 400
Answers: 1
image
Mathematics, 21.06.2019 17:00, val186
Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges
Answers: 1
image
Mathematics, 21.06.2019 18:00, gyexisromero10
The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?
Answers: 3
Do you know the correct answer?
Two speed studies are taken under situations that are considered identical and the following results...

Questions in other subjects:

Konu
Mathematics, 20.01.2021 04:20
Konu
Arts, 20.01.2021 04:20
Konu
Mathematics, 20.01.2021 04:20