A formal hypothesis test is to be conducted using the claim that the mean AC thermostat setting in restaurants is equal to 74°F. What is the null hypothesis and how is it denoted?KOA. Ho: p=74°FOB. Ho: p<74°FOC. Ho: H=74°FOD. Ho: μ#74°F5IT7SB1commandXH3EDBOсRFV%5TG6BYH9NUJD8IM9KO<IH>OLPcommandTime Remaining: 01:11:14:I{[option?INextdelete

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Answered: A formal hypothesis test is to be…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 9PPS

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VOLTE 13 A researcher in a large university believes that the mean health care expenses of the university differ from the national average of $1570. A sample of 50 people shows an average of $1680 and a standard deviation is $180. Can we say that the mean health care expenses differ from the national average at a= 0.05 ?. (Click the link below to get normal-table values) https://drive.google.com/file/d/1rLJzsws5fYwv usp=sharing (a) Hypothesis: ( If the hypothesis is Ho: u1570 then write 1 in the answer box. If the hypothesis is Ho: u > 1570 and H1: u <1570 then write 2 in the answer box If the hypothesis is Ho: u = 1570 and H1: #1570 then write 3 in the answer box) (b) Critical value = (Example: 3.56) (c) Test Statistic or Calculated value = ( Example : 7.89)
According to a report from the United States Environmental Protection Agency, burning one gallon of gasoline typically emits about 8.9 kg of CO2. A fuel company wants to test a new type of gasoline designed to have lower CO2 emissions. Here are their hypotheses: Ho: = 8.9 kg Ha:H< 8.9 kg (where u is the mean amount of CO2 emitted by burning one gallon of this new gasoline). Under which of the following conditions would the company commit a Type I error?
C webassign.net/web/Student/Assignment-Responses/submit?dep=30747029&tags=autosave#question4028933_1 62°F Cloudy Bighorn sheep are beautiful wild animals found throughout the western United States. Let x be the age of a bighorn sheep (in years), and let y be the mortality rate (percent that die) for this age group. For example, x = 1, y = 14 means that 14% of the bighorn sheep between 1 and 2 years old died. A random sample of Arizona bighorn sheep gave the following information: kuami b= ý = 20.0 Σχ = 15; Σy = 84.1; Σx2 = 55; Σy2 = 1,452.93; Σxy = 268.8 = (a) Find x, y, b, and the equation of the least-squares line. (Round your answers for x and y to two decimal places. Round your least-squares estimates to three decimal places.) X 22 20 (b) Draw a scatter diagram for the data. Plot the least-squares line on your scatter diagram. y 18 16 14 1 12 IOI 8 + Q Search 22 20 18 16 12 20 13 Paused Update MAX 174 11:16 PM 2/26/2023
whats the value of alpha?
Ten subjects were given an attitude test on a controversial issue. Then they were shown a film favorable to the ten subject and the same attitude test was administered. Make a directional test at alpha 5%. *

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