subject
Mathematics, 25.10.2019 17:43 kathleen1010

According to a survey, the average american person watches tv for 3 hours per week. to test if the amount of tv in new york city is less than the national average, a researcher decides to do a hypothesis test, at a 10% significance level. she surveys 26 new yorkers randomly and asks them about their amount of tv each week, on average. from the data, the sample mean time is 2.5 hours per week, and the sample standard deviation (s) is 1.1 hours. h0: μ≥3; ha: μ< 3. α=0.1 (significance level) what is the test statistic (t-value) of this one-mean hypothesis test (with σ unknown)? round your final answer to two decimal places. provide your answer below:

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.
Answers: 1
question
Mathematics, 21.06.2019 17:00
Need solving this second acceleration problem.
Answers: 1
question
Mathematics, 21.06.2019 19:30
Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)
Answers: 1
question
Mathematics, 21.06.2019 23:40
Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !
Answers: 1
You know the right answer?
According to a survey, the average american person watches tv for 3 hours per week. to test if the a...
Questions
question
Mathematics, 09.01.2020 08:31
question
Mathematics, 09.01.2020 08:31
question
English, 09.01.2020 08:31
Questions on the website: 13722367