Homework Answers
Answer)
3) The first one is the one-sided lower test
The second one is the one-sided higher test
The third being the two sided test.
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QUESTION 3 Match each of the following questions with the type of hypothesis test that would...
Match each of the following questions with the type of hypothesis test that would be most...
Match each of the following questions with the type of hypothesis test that would be most appropriate. Group of answer choices 1) Is the temperature in a reflow solder oven higher than the maximum temperature recommended by electrical component manufacturers? [ Choose ] One-sided lower test Two-sided test One-sided upper test 2) Is the length of manufactured carbon fiber rods equal to 1.2 m? [...
Match which type of test would be most appropriate for the given scenario. -A.B.C. You are...
Match which type of test would be most appropriate for the given scenario. -A.B.C. You are investigating whether there was a change in performance between a group’s pretest and posttest. -A.B.C. You are investigating whether ABC Elementary School performed significantly higher than XYZ Elementary School on a standardized test. -A.B.C. You are investigating whether the mean IQ of all college students is lower than the national average of 115. A. Left (negative) tail B. Either (non-directional) tail C. Right (positive)...
In the following research, identify 1. test type, 2. null hypothesis, 3. alternate hypothesis, 4. test...
In the following research, identify 1. test type, 2. null hypothesis, 3. alternate hypothesis, 4. test statistic, 5. p-value, and 6. conclusion. When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to attain about 60% of their maximum heart rate. For 20-year-olds, this rate is approximately 120 bpm. A simple random sample of one hundred 20-year-olds was taken, and the sample mean was found to be 107 bpm with a standard deviation of 45 bpm. Researchers...
please help with both, thank you very much! 1) Classify the hypothesis test as lower-tailed, upper-tailed,...
please help with both, thank you very much!
1) Classify the hypothesis test as lower-tailed, upper-tailed, or two-sided. A health insurer has determined that the "reasonable and customary" fee for a certain medical procedure is $1200. They suspect that the average fee charged by one particular clinic for this procedure is higher than $1200. The insurer wants to perform a hypothesis test to determine whether their suspicion is correct. Lower-tailed Upper-tailed Two-sided 2) A report states that 56% of homes...
Question 7 4 points Match up the following Test of this hypothes eqires 2-taled test with lower reject region bounded by esative critical alan upper rejoct region bounded by positive critical value 1...
Question 7 4 points Match up the following Test of this hypothes eqires 2-taled test with lower reject region bounded by esative critical alan upper rejoct region bounded by positive critical value 1.β 2. 1.B 3. pelue.α The probability of a tyee 2 error Test of this hyoothesi equires 1-tailed test with lower reject region bounded by negative critical value The power of a test Pejecting HoHo asel Reject H Test ofl this hyothesis requires 1-talled test with upper reject...
There is one of each of the following tests described in the scenarios: one sample z...
There is one of each of the following tests described in the scenarios: one sample z test, one sample t test and a matched pair t test. For each scenario decide what type of hypothesis testing procedure is appropriate and explain why. Scenario 1. A sunglass company wants potential customers to compare two types of lenses, the current lenses and lenses made with a new high-tech material. A random sample of 42 customers are asked to wear each type of...
Question 6 (1 point) In JMP, to conduct a Hypothesis Test about one proportion using a...
Question 6 (1 point) In JMP, to conduct a Hypothesis Test about one proportion using a Z-test Use Analyze > Distribution. Then select the variable and then at the red triangle, select Test Probabilities and enter the hypothesized value in the dialogue box. Go to Add Ins. Select Hypothesis Test for One Proportion from the list, select Raw or Summarized data, pick the column that contains the variable and then type in the value associated with success EXACTLY the way...
Please answer all 3 questions Question 21 1 pts Express the null hypothesis Ho and the...
Please answer all 3 questions
Question 21 1 pts Express the null hypothesis Ho and the alternative hypothesis Hy in symbolic form. Use the correct symbol (.p.o)for the indicated parameter. A psychologist claims that more than 4.6 percent of the population suffers from professional problems due to extreme shyness. Use p, the true percentage of the population that suffers from extreme shyness. O Ho:p> 4.6% H:ps 4.6% O Ho:p-4.6% H:P < 4.6% O Ho:P 5 4.6% H:p> 4.6% O Ho:p...
As concrete cures, it gains strength. The following data represent the 7-day and 28-day strength in pounds per square inch (psi) of a certain type of concrete. Complete parts (a) through (f) bel...
As concrete cures, it gains strength. The following data represent the 7-day and 28-day strength in pounds per square inch (psi) of a certain type of concrete. Complete parts (a) through (f) below. 7-Day Strength (psi), x 3340 3380 3330 2300 2480 28-Day Strength (psi), y 4630 5020 4850 4070 4120 (a) Treating the 7-day strength as the explanatory variable, x, use technology to determine the estimates of beta 0 and beta 1. beta 0almost equalsb 0equals nothing (Round to...
Question 3 (read the entire question first) The following data are based on a study of the relati...
Question 3 (read the entire question first) The following data are based on a study of the relationship between car accidents and the use of cellular phones. Objective of the study is to show that using a cellular telephone while driving increases the chances of a car accident. Accident No Accident All 453 305 NoPhone 26 427 Phone 23 282 All 49 709 758 g) Let pl denote the probability of having a car accident while using a cellular telephone,...
please help with both, thank you very much!
1) Classify the hypothesis test as lower-tailed, upper-tailed, or two-sided. A health insurer has determined that the "reasonable and customary" fee for a certain medical procedure is $1200. They suspect that the average fee charged by one particular clinic for this procedure is higher than $1200. The insurer wants to perform a hypothesis test to determine whether their suspicion is correct. Lower-tailed Upper-tailed Two-sided 2) A report states that 56% of homes...
Question 7 4 points Match up the following Test of this hypothes eqires 2-taled test with lower reject region bounded by esative critical alan upper rejoct region bounded by positive critical value 1.β 2. 1.B 3. pelue.α The probability of a tyee 2 error Test of this hyoothesi equires 1-tailed test with lower reject region bounded by negative critical value The power of a test Pejecting HoHo asel Reject H Test ofl this hyothesis requires 1-talled test with upper reject...
Question 6 (1 point) In JMP, to conduct a Hypothesis Test about one proportion using a Z-test Use Analyze > Distribution. Then select the variable and then at the red triangle, select Test Probabilities and enter the hypothesized value in the dialogue box. Go to Add Ins. Select Hypothesis Test for One Proportion from the list, select Raw or Summarized data, pick the column that contains the variable and then type in the value associated with success EXACTLY the way...
Please answer all 3 questions
Question 21 1 pts Express the null hypothesis Ho and the alternative hypothesis Hy in symbolic form. Use the correct symbol (.p.o)for the indicated parameter. A psychologist claims that more than 4.6 percent of the population suffers from professional problems due to extreme shyness. Use p, the true percentage of the population that suffers from extreme shyness. O Ho:p> 4.6% H:ps 4.6% O Ho:p-4.6% H:P < 4.6% O Ho:P 5 4.6% H:p> 4.6% O Ho:p...
Question 3 (read the entire question first) The following data are based on a study of the relationship between car accidents and the use of cellular phones. Objective of the study is to show that using a cellular telephone while driving increases the chances of a car accident. Accident No Accident All 453 305 NoPhone 26 427 Phone 23 282 All 49 709 758 g) Let pl denote the probability of having a car accident while using a cellular telephone,...
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