![tahjaybenloss16](/avatars/35096.jpg)
tahjaybenloss16
12.12.2019 •
Mathematics
Doctors are interested in seeing if lifting weights to alleviate back pain is effective. twenty five volunteers are asked to rank their level of pain on a scale from one to ten. for the next two months, they then exercise for 2 months with a physical therapist. the volunteers focus on different weight lifting exercises that strengthen the back. twenty five volunteers are again asked to rank their level of pain on a scale from one to ten. was the amount of pain less after completing the exercises? what type of test would they conduct to test this claim? a) one meanb) comparing proportions from 2 independent samplesc) comparing means from dependent samplesd) comparing proportions from dependent samplese) one proportionf) comparing means from 2 independent samples
Solved
Show answers
More tips
- F Family and Home When and how to start introducing solid foods to your baby?...
- B Business and Finance Moneybookers – What it is and How it Works...
- C Computers and Internet How to Format Your C Drive: Detailed Guide and Tips...
- F Food and Cooking What can and cannot be eaten during Lent?...
- H Health and Medicine What to Do When Your Jaw Locks Up?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- D Dating, Love, Relationships Is it a Compliment or Flattery: What s the Difference?...
- S Science and Technology The Metric System in Our Daily Life: Understanding Its Importance...
- C Computers and Internet What to Do If Your ICQ Gets Hacked?...
- C Computers and Internet How to Choose a Monitor?...
Answers on questions: Mathematics
- M Mathematics 9. Evaluate f(x) = 3x + 8 for x = 11 3 -11 5...
- M Mathematics Which function is modeled in this table? A. f(x) = 2x + 5 B. f(x) = 3x + 5 C. f(x) = 2x + 6 D. f(x) = 6x + 5...
- M Mathematics Which of the following are rational numbers...
- M Mathematics Markus has a box containing 10 red cards, 10 yellow cards, 10 blue cards and 10 green cards. He randomly selects one card, records the color, and then replaces the...
- M Mathematics In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.2. Answer parts (a)–(d)...
- M Mathematics Evaluate the expression. 4⋅2^−4+5...
- M Mathematics 35% of what number, n is 21? Proportion: a over w= p over 100...
- M Mathematics See how there are blank boxes?...
- M Mathematics 1 sixth of 2000000 trying figure out my percentage of 2 millon divided by six people...
- M Mathematics Find the equation for x. (4,-5)(3,-1)(2,3)(1,7)(0,11)...
Ответ: