ZuoTi.Pro
Question

A researcher is interested in the impact of steriodson physical body strength. he conducted an experiment with 16 male runners. Prior to taking steriods, the average time for 100 meters was 13.12 seconds. After taking steroids, the average time became 12.64 seconds. The sample variance of time was S^2=1 . Conduct a t-test to examine if steroids had a statistically significant impact on the average time of 100 meters: H_0:mu =13.12 and H1 : μ 13.12 .State your conclusion and specify the significance.

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

solution Ceiven the ifoDaton ime-3 12 Seconds amale avenage times 12-64 52ronds 2 elaim paina tetaking steaiods o test the the ayers ate time for loometeas aas )2-12- setends hie feke the test Salishc to test +the byepthrss 284-12 /2 Decision using et caltrcol octhdl Re sta we att eet Ho at 5% level of syni ficante conclusion we say that叶heio is suffi. ( ie evidenre the avesafe tjoe for noeas was 13.12 seron

0 0
Add a comment
Know the answer?
Add Answer to:
A researcher is interested in the impact of steriodson physical body strength. he conducted an experiment...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Answer following questions using information from the following tables: Standard Normal Distribution Probability0.900950.99 Threshold 164 1.96...

    Answer following questions using information from the following tables: Standard Normal Distribution Probability0.900950.99 Threshold 164 1.96 258 cum. two-tails1.00 0.50 0.40 0.30 0.20 0.10 0.05 0.02 0.01 0.002 0.001 10.000 1.000 1376 1963 3.078 6.31427 31.82 63.66 318.31 636.62 2 0.000 0.816 061 1386 1.886 2.920 4.303 6.965 9.925 22.327 31.599 1 0 5 0.000 0.727 0.920 1156 1.476 2.015 2.571 3.365 4.032 5.893 6.869 6 0.000 0.718 0.906 1.1341.4401.943 2.447 3.143 3.707 5.208 5.959 71 0.000 0.711 0.896 1.119...

  • Delusional Disorders Pakistani Female With Delusional Thought Processes BACKGROUND The client is a 34-year-old Pakistani female...

    Delusional Disorders Pakistani Female With Delusional Thought Processes BACKGROUND The client is a 34-year-old Pakistani female who moved to the United States in her late teens/early 20s. She is currently in an “arranged” marriage (her husband was selected for her since she was 9 years old). She presents to your office today following a 21 day hospitalization for what was diagnosed as “brief psychotic disorder.” She was given this diagnosis as her symptoms have persisted for less than 1 month....

  • please provide a summary with intext citaion for this article: T HE HEART AND ESTROGEN/ progestin...

    please provide a summary with intext citaion for this article: T HE HEART AND ESTROGEN/ progestin Replacement Study (HERS) was a randomized, blinded, placebo-controlled trial of the effect of 0.625 mg of conjugated estrogens plus 2.5 mg of medroxyprogesterone acetate daily on coronary heart disease (CHD) event risk among 2763 postmenopausal women with documented CHD.1 Overall, during 4.1 years of follow-up, there were no significant differences between the hormone and placebo groups in the primary outcome of CHD events (nonfatal...

  • Playgrounds and Performance: Results Management at KaBOOM! (A) We do this work because we want to...

    Playgrounds and Performance: Results Management at KaBOOM! (A) We do this work because we want to make a difference in the world; how can we go further faster? - Darell Hammond, CEO and co-founder, KaBOOM! Darell Hammond stepped onto the elementary school playground and took a long, slow look around. It was 8 a.m. on an unusually warm fall day in 2002 and the playground was deserted, but Hammond knew the children would start arriving soon to admire their new...

  • Questions: 1. How successful has Emilio been over the entire course of his career? What criteria...

    Questions: 1. How successful has Emilio been over the entire course of his career? What criteria do you use to measure career success? Award a number grade on a scale of one to ten. Explain your answer. 2. How well has Emilio responded to change? 3. How good of a job did ICL do in managing Emilio Kornau’s career? 4. Compare and contrast Emilio Kornau with Mark Margolis. How were the two men different? What were the impact of these...

  • How can we assess whether a project is a success or a failure? This case presents...

    How can we assess whether a project is a success or a failure? This case presents two phases of a large business transformation project involving the implementation of an ERP system with the aim of creating an integrated company. The case illustrates some of the challenges associated with integration. It also presents the obstacles facing companies that undertake projects involving large information technology projects. Bombardier and Its Environment Joseph-Armand Bombardier was 15 years old when he built his first snowmobile...

  • All of the following questions are in relation to the following journal article which is available...

    All of the following questions are in relation to the following journal article which is available on Moodle: Parr CL, Magnus MC, Karlstad O, Holvik K, Lund-Blix NA, Jaugen M, et al. Vitamin A and D intake in pregnancy, infant supplementation and asthma development: the Norwegian Mother and Child Cohort. Am J Clin Nutr 2018:107:789-798 QUESTIONS: 1. State one hypothesis the author's proposed in the manuscript. 2. There is previous research that shows that adequate Vitamin A intake is required...

  • STA2221 examples on CI & Testing of Hypothesis Name MULTIPLE CHOICE. Choose the one alternative that...

    STA2221 examples on CI & Testing of Hypothesis Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answer the question Provide an appropriate response. 1) Find the critical value,te for 0.99 and n-10. A) 3.250 B) 3.169 1.833 D) 2.262 2) Find the critical value to forc=0.95 and n=16. A) 2.947 B) 2.602 2120 D) 2.131 3) Find the value of E, the margin of error, for A) 1.69 B) 0.42 0.99, n=16 and s=2.6. C)...

  • 1) 1) Goods in transit are automatically included in inventory regardless of whether title has passed...

    1) 1) Goods in transit are automatically included in inventory regardless of whether title has passed to the buyer. A) True B) False 2) 2) An advantage of FIFO is that it assigns the most recent costs to cost of goods sold, and does a better job of matching current costs with revenues on the income statement. A) True B) False 3) 3) Errors in the period-end inventory balance only affect the current period's records and financial statements. A) True...

  • I need Summary of this Paper i dont need long summary i need What methodology they used , what is the purpose of this...

    I need Summary of this Paper i dont need long summary i need What methodology they used , what is the purpose of this paper and some conclusions and contributes of this paper. I need this for my Finishing Project so i need this ASAP please ( IN 1-2-3 HOURS PLEASE !!!) SPECIAL ARTICLES tole of Monetary Policy C Rangarajan What should be the objectives of monetary policy? Does the objective of price stability conflict with the goal of achieving...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT