Mathematics, 09.09.2021 21:00 jackiemiranda2010
A teacher wants to compare scores on a geology exam for two classes. The difference between the sample means is 21.4. If the standard
deviation of the distribution of the difference between sample means is 16.66, and she is testing the hypothesis at the 68% confidence level.
which statement is true?
OA. The difference between the two means is significant, so the null hypothesis must be accepted.
OB. The difference between the two means is not significant, so the alternative hypothesis must be rejected.
The difference between the two means is not significant, so the null hypothesis must be rejected.
OD. The difference between the two means is not significant, so the alternative hypothesis must be accepted.
OE. The difference between the two means is significant, so the alternative hypothesis must be accepted.
Oc.
Answers: 3
Mathematics, 21.06.2019 16:30
Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form
Answers: 1
Mathematics, 21.06.2019 22:00
Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?
Answers: 2
Mathematics, 22.06.2019 03:00
At a soccer tournament 1212 teams are wearing red shirts, 66 teams are wearing blue shirts, 44 teams are wearing orange shirts, and 22 teams are wearing white shirts. for every 22 teams at the tournament, there is 1 team wearing shirts. choose 1
Answers: 2
Mathematics, 22.06.2019 04:00
The perimeter of the rectangle is 120 feet. if the length of the rectangle is ten feet more than the width ,what are the dimensions (length and width) of the rectangle?
Answers: 1
A teacher wants to compare scores on a geology exam for two classes. The difference between the samp...
Mathematics, 20.09.2020 02:01
Physics, 20.09.2020 02:01
Mathematics, 20.09.2020 02:01
English, 20.09.2020 02:01
Mathematics, 20.09.2020 02:01
English, 20.09.2020 02:01
Social Studies, 20.09.2020 02:01
Mathematics, 20.09.2020 02:01
Mathematics, 20.09.2020 02:01
Geography, 20.09.2020 02:01
Mathematics, 20.09.2020 02:01
History, 20.09.2020 02:01