User Account

All Pages

What is the margin of error

Assignment Help Basic Statistics
Reference no: EM132201214

Average heart rate for Americans is 72 beats/minute. A group of 18 individuals participated in an aerobics fitness program at American Kickboxing of New York to lower their heart rate. After six months, there was evaluation conducted on the group to identify if the program had significantly slowed their heart. The mean heart rate for the group was 69 beats/minute with a standard deviation of 6.5. You need to construct a 95% confidence interval for the mean of all such heart rate levels to determine if the aerobics program was effective in lowering heart rate. What is the margin of error?

Reference no: EM132201214

Questions Cloud

Diagnosed with osteoarthritis or hypertension : What is the probability that a patient at this clinic has been diagnosed with osteoarthritis OR hypertension?
How cost-effectiveness of britain socialize medicine compare : How does the cost-effectiveness of Britain's "socialized medicine" Compare and Contrast to the United States private insurance through employment; single-payer.
Association between autism and the rubella vaccine : An analysis was conducted in 1999 to find an association between autism and the rubella vaccine.
Find the social marginal cost curve : The demand (MB) for a good is given by P= 20-Q. The private marginal cost is given by PMC= 6+Q, and the marginal damage function is given by MD = 2+Q.
What is the margin of error : The mean heart rate for the group was 69 beats/minute with a standard deviation of 6.5. You need to construct a 95% confidence interval
What are the critical values you should use : What are the critical values you should use to test the given hypothesis?
What life is like in the stationary state : Compare Smith with Ricardo/Malthus and Mill in terms of their explanations of the growth phase of capitalism, why capitalism reaches a stationary state.
Independent of attending group cooking classes : Is attending group exercise sessions independent of attending group cooking classes?
What policy instruments can mexico use to attract more fdi : What management issues should your team consider in making the evaluation? Explain? What policy instruments can Mexico use to attract more FDI?

Reviews

Write a Review

Basic Statistics Questions & Answers

  In a study subjects are randomly assigned to one of three

in a study subjects are randomly assigned to one of three groups control experimental a or experimental b. after

  What is the one-tailed significance level

What is the one-tailed significance level (p value)? What does it mean within the context of your question? Do you reject the null? Why or why not. Clearly state your independent variable (IV) and dependent variable (DV)

  Find the sampling distribution theta of the proportion of

it is believed that the median annual starting salary of a freshman engineering graduate is 40000. if we record the

  How to operate a number of different hotel chains

The Marriott Company owns and operates a number of different hotel chains, including the Courtyard chain. Recently, a survey was mailed to a random sample.

  What correlation tells about relationship of instruments

BDI was r =.67. Evaluate this correlation. What does this correlation tell us about the relationship between these two instruments?

  It has been stated that 62 of americans drink beer wine or

it has been stated that 62 of americans drink beer wine or hard liquor at least occasionally. a study was later

  What are some reasons for our failure to reject the null

We failed to reject the null hypothesis in this situation. What are some reasons for our failure to reject the null in this situation

  In the town of new york city ny a local supermarket has

1. in a taste test between coke c and pepsi p a random sample of 15 students gave the following preferences c c p

  Calculate the probability that the sample proportion

a. Calculate the probability that the sample proportion will be within ±0.05 of the population proportion. b. Calculate the probability that the sample proportion will be within ±1 standard error of the population proportion.

  Determining correlation and cause

If we want to estimate the selling price on the basis of age, which variable is the dependent and which is the independent? Draw a scatter diagram.

  Describe the outcomes of experiment

Describe the outcomes of this experiment. List the elements of the sample space.

  Percentage of all shipments can be expected

If the total weight of the two bags, X1 + X2 exceeds 105.4 pounds, a surcharge is added onto the shipping cost. What percentage of all shipments can be expected to result in a surcharge being added to the shipping cost?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd