Mathematics, 26.11.2019 08:31, cswalke

The market research firm salary. com reported that the mean annual earnings of all family practitioners in the united states was $178,258. a random sample of 55 family practitioners in los angeles that month had mean earnings of = $192,340 with a standard deviation of $42,387. do the data provide sufficient evidence to conclude that the mean salary for family practitioners in los angeles is greater than the national average? state the null and alternate hypotheses. compute the value of the t statistic. how many degrees of freedom are there? state your conclusion. use the α = 0.05 level of significance.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, alexandergoetz8239

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

Answers: 1

continue

Mathematics, 21.06.2019 20:30, avahrider1

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Answers: 1

continue

Mathematics, 21.06.2019 22:00, deannajd03

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis

Answers: 1

continue

Mathematics, 22.06.2019 00:00, boxergirl2062

Two consecutive negative integers have a product of 30. what are the integers?

Answers: 2

continue

Do you know the correct answer?

The market research firm salary. com reported that the mean annual earnings of all family practition...