1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
IceJOKER [234]
1 year ago
5

A group of 26 canadians were randomly selected among a local group of fitness enthusiasts to participate in an innovative fitnes

s program to lower their heart rate. After four months the group was evaluated to identify if their average heart rate was lower than the national average of 72 beats/minute. The mean heart rate for the group was 68. 5 bpm with a standard deviation of 6 bpm. Is there sufficient evidence to believe that the average heart rate for canadians who participate in this innovative fitness program is lower than the national average heart rate? what statistical procedure should be used to answer this research question?.
Mathematics
1 answer:
Lady_Fox [76]1 year ago
8 0

The appropriate statistical procedure to use here is a two-tailed hypothesis test for the population mean

What is standard deviation?

  • The term "standard deviation" (or "σ") refers to a measurement of the data's dispersion from the mean.
  • A low standard deviation implies that the data are grouped around the mean, whereas a large standard deviation shows that the data are more dispersed.

Explanation:

  • Since we are interested in comparing here the mean heart rate for Canadians who participated in this fitness program, to that of the national average,
  • We have to have to conduct a hypothesis test here for sample mean
  • Since we are not trying to find the true population mean based on the sample mean, we do not have to construct a confidence interval
  • As the sample size, n = 26 < 30,therefore we will use the t-test instead of the z-test.

Therefore,  A one-sample t-test for means' is the correct choice.

To know more about sample-test check below link:

brainly.com/question/24466382

#SPJ4

You might be interested in
Kaden, Keith, and Kipp compete in a series of daily 3-way races. For each race, the probability that Kaden wins is 1/6, the prob
BlackZzzverrR [31]

9514 1404 393

Answer:

  3/5

Step-by-step explanation:

Let a, b, c represent the probability of a win by Kaden, Keith, and Kipp, respectively.

  P(bc' | a') = P(a'bc')/P(a')

  P(bc' | a') = (1/2)/(1 -1/6) = (3/6)/(5/6) = 3/5

The probability is 3/5 that Keith beats Kipp when Kaden doesn't win.

4 0
3 years ago
What is the order of operations
Orlov [11]

Answer:

This means that you should do what is possible within parentheses first, then exponents, then multiplication and division (from left to right), and then addition and subtraction (from left to right).

Step-by-step explanation:

3 0
3 years ago
A soccer player has a limit of 700 calories in a sandwich and chips meal. The sandwich is 464 calories and each chip is 7 calori
Blababa [14]

Answer:

33 chips

Step-by-step explanation:

c= (700 - 464) ÷ 7 = 33

She can use 33 chips or less. I less cause she shouldn't eat too much calories.  

8 0
2 years ago
Read 2 more answers
How do you re-write 7-15 into a addition expression
Degger [83]

-15 + 7 is the addiction expression

7 0
3 years ago
Read 2 more answers
Find the value of n <br><br> Thank you
melisa1 [442]

Answer:37

Step-by-step explanation:sorry if its worng

8 0
3 years ago
Other questions:
  • One way to classify 4x² + 3x - 1 is ....<br> Quadratic<br> Constant <br> Linear <br> Cubic
    6·1 answer
  • Students in Mr. Taylor's physics class conducted an experiment by dropping a basketball from a height of 40 feet and then record
    9·1 answer
  • Which rule will find the nth term of the arithmetic sequence -58,-65,-72,-86
    10·1 answer
  • Find the x-coordinates of any relative extrema and inflection point(s) for the function f(x)= 6x^1/3 + 3x^4/3. You must justify
    14·1 answer
  • If nine is X percent of 45, what is X percent of 5
    10·1 answer
  • A theater received $8,917 in ticket sales for one performance of a play. Tickets for preferred seats cost $45 each and regular s
    5·1 answer
  • 603 kg = ____ g what is the answer
    11·2 answers
  • :( need help pls pls pls pla
    14·2 answers
  • Consider this quadratic equation:
    14·1 answer
  • What does the digit 6 represent in ?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!