Mathematics, 22.02.2020 00:34 ramirezmarco1593
A statistics practitioner determined that the mean and standard deviation of a data set were 120 and 30, is respectively. What can you say about the proportions of observations that lie between each of the follow- ing intervals?
a. 90 and 150
b. 60 and 180
c. 30 and 210
Answers: 1
Mathematics, 21.06.2019 20:00
Ialready asked this but i never got an answer. will give a high rating and perhaps brainliest. choose the linear inequality that describes the graph. the gray area represents the shaded region. y β€ β4x β 2 y > β4x β 2 y β₯ β4x β 2 y < 4x β 2
Answers: 1
Mathematics, 22.06.2019 01:30
Im so bad at fractions they are not my best math thing to work on
Answers: 3
Mathematics, 22.06.2019 02:00
Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.
Answers: 3
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