Mathematics, 16.04.2021 17:40 hrijaymadathil
A random sample of 436 mothers in the United States found that their average age at first birth was 25.9 with a standard deviation of 4.5. A random sample of 364 mothers in France found that their average age at first birth was 28.6 with a standard deviation of 9.5. We will be testing if the mothers give birth to their first birth in the United States are at younger ages than those in France.
Required:
Calculate the degrees of freedom for this hypothesis test.
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 15:30
What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.
Answers: 3
Mathematics, 21.06.2019 20:00
Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily
Answers: 2
Mathematics, 21.06.2019 21:00
Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement
Answers: 2
Mathematics, 21.06.2019 21:10
If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)
Answers: 1
You know the right answer?
A random sample of 436 mothers in the United States found that their average age at first birth was...
Questions
Biology, 05.07.2019 10:20
Social Studies, 05.07.2019 10:20
Social Studies, 05.07.2019 10:20
Business, 05.07.2019 10:20
