Mathematics, 22.03.2021 23:10, Jboone

Penn State extension is interested in comparing the body length southern grass cicadas and citrus cicadas. The extension collected a random sample of 20 southern grass cicadas and found that they have a mean body length of 16.22 millimeters and a standard deviation of 1.34 millimeters. A separate random sample of 20 citrus cicadas resulted in a mean body length of 13.41 millimeters and a standard deviation of .73 millimeters. What is the standard error of the difference parentheses southern grass minus citrus) between the sample means

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:30, wwesuplexcity28

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Answers: 1

continue

Mathematics, 21.06.2019 18:00, Maaarii

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Answers: 1

continue

Mathematics, 21.06.2019 20:00, lattimorekeonna1

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Answers: 1

continue

Mathematics, 22.06.2019 00:00, smartoa

Round each decimal to the nearest thousandth. a. 5.39562 b. 0.12345 c. 5634 d. 18.93763

Answers: 1

continue

Do you know the correct answer?

Penn State extension is interested in comparing the body length southern grass cicadas and citrus ci...