subject
Mathematics, 06.03.2020 23:26 hmu323

In a study regarding ants in Mongolia, scientists randomly selected 11 study sites and observed the number of ant species attracted to each site. They found that the mean was 12.82 species with a standard deviation of 18.68 species.

a. Is this evidence that the mean number of ant species differs from 5 for α = .05? Be sure to interpret your p-value
b. It turns out that the data is highly skew right. Should you trust the results of your test in part ??? Why or why not?
c. It turns out that there are two results that the scientists are willing to regard as outliers due to extenuating circumstances at those sites. They have values of 49 and 52. i. If you remove the two outliers, what is the new sample mean? ii. Given that the new standard deviation is 1.236, is this evidence that the mean number of ant species differs from 5 for α = .05? Be sure to interpret your p-value

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:10
The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.
Answers: 1
question
Mathematics, 21.06.2019 17:00
If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)
Answers: 2
question
Mathematics, 21.06.2019 19:00
Which equation represents the function on the graph?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Which of the following best describes the figure?
Answers: 1
You know the right answer?
In a study regarding ants in Mongolia, scientists randomly selected 11 study sites and observed the...
Questions
question
Chemistry, 28.01.2022 23:50
question
English, 29.01.2022 01:00
question
Mathematics, 29.01.2022 01:00
question
English, 29.01.2022 01:00