Perform the following hypothesis test: HO: µ = 10 H1: µ  10 The sample mean is 9.55, population standard deviation of 1.5 and a sample size of 51.  Use a 5% significance level. What is the value of the test statistic? (Give your answer rounded to 2 decimals) (Be careful to make sure your + or - sign is correct)

Find the Test statistic  find the P- value  determine whether or not to reject the null hypothesis

K Assume that adults have IQ scores that are normally distributed with the top 75%. (Hint: Draw a graph.) mean of 97.6 and a standard deviation 15.8. Find the first quartile Q₁, which is the IQ score separating the bottom 25% from The first quartile is. (Type an integer or decimal rounded to one decimal place as needed.)

Homework: Week 6 Sa Score: 0 of 1 pt 5 of 14 (4 complete) HW Score: 28.57%, 4 of 14 5.4.3 Question Help A population has a meanu= 80 and a standard deviation o = 21. Find the mean and standard deviation of a sampling distribution of sample means with sample size n= 232. (Simplify your answer.) In Enter your answer in the answer box and then click Check Answer. Check Answer Clear All 1 part remaining earch

H0: μ ≤ 16.09 vs. HA: μ > 16.09What is the test statistic for sample of size 25, mean 13.97,and standard deviation 1.48?

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The mean number of eggs per person eaten in the United States is 252 and the standard deviation is 68. Do college students eat more than the average? The 45 college students surveyed averaged 281 eggs per person. What can be concluded at the 0.05 level of significance? H0: = 252 Ha: _____________ 252 Test statistic: __________    p-Value =__________                    Reject/Fail to reject H0?______________         Conclusion: There is____________   evidence to make the conclusion that the population mean number of eggs consumed college students per year is more than 252 eggs per student per year. p-Value Interpretation: If the mean number of eggs consumed per year for college students is equal to_________  and if another study was done with a new randomly selected group of 45 college students, then there is a ____________ percent chance that the average number of eggs consumed per year for this new sample would be greater than_____________        . Level of significance…

Interpret the decision in the context of the original claim.