A research report describing the results from a repeated-measures t test states, “t(22) = 1.01, p > .05." From this report you can conclude that the outcome of the hypothesis test was ______. a. to reject the null hypothesis b. to fail to reject the null hypothesis

Q: In a hypothesis test with a = 0.05 the p-value is calculated to be 0.02. What decision should be…

A: we have find  decision.

Q: A well-known brokerage firm executive claimed that at least 52 % of investors are currently…

A: Given that,  x=33,n=69 The sample proportion is, Null and alternative hypothesis:

Q: You are asked to test the null hypothesis at the .05 level of significance and you end up with…

A: It is given that the z-observed value is -1.83.

Q: 6 and 7 please. TI 84 steps

A: 6.Decision rule:Denote z as test statistic value and z(α/2) as the critical value.Decision rule…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given information- We have given that the proportion of high school seniors who felt "getting rich"…

Q: of n = 25 scores produces a t statistic of t = +2.052. If the researcher is conducting a…

A: Given: n=25 t=2.052

Q: In a hypothesis test with a significance level of a = 0.01, we should reject the null hypothesis if…

A: The given is level of significance α=0.01 So, in hypothesis testing, we can reject the null…

Q: nduct a poll of FIU students in order to determine the percentage of students (p) who agree with the…

A:

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given data, p=71% =0.71   State Null and Alternative hypothesis.

Q: meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period,…

A:

Q: survey was conducted that asked AHC (Population 1) students and Cuesta students if they drive to…

A: Solution : Given information: p1^= 0.72  Sample proportion of AHC p2^=0.62 Sample proportion of…

Q: Find the P-value for a left-tailed hypothesis test with a test statistic if z=-1.26. Decide whether…

A: Given information- We have given a left-tailed hypothesis test. The value of the test statistics, z…

Q: B. If the National Cancer Institute researchers were incorrect in their conclusion that there is no…

A: Type I error: The type I error if the null hypothesis is rejected when it is actually true. Type II…

Q: What should their null hypothesis be if they want to collect evidence against the manufacturer's…

A: Let p be the proportion of headphones that failed after two days. Let k represents the distribution…

Q: Test the null hypothesis B= 60 against the alternative hypothesis B > 60 at the 0.01 level of…

A: Assuming that part b and c are already completed and regression model has been fitted using…

Q: A researcher administers a treatment to a sample of participants selected from a population with µ =…

A: A researcher administers a treatment to a sample of participants selected from a population with µ =…

Q: A company selling home furnaces claims that installingtheir new high efficiency furnace will “cut…

A: Here,the company claims that their new furnace has the ability to cut the heating bill in half.Let b…

Q: An economist has collected data on the number of house foreclosures. The published share of housing…

A: Given Claim Claim :- economist believes, that the share of housing units with a foreclosure filing…

Q: A researcher did a one-tailed one-sample t-test to test the hypothesis that babies prefer the color…

A:

Q: A well-known brokerage firm executive claimed that at least 37 % of investors are currently…

A:

Q: In a one-tail hypothesis test where you reject H0 only in the upper tail, what is the p-value if…

A: Concept of p-value: The p-value in hypothesis testing is the probability of obtaining a test…

Q: e reject the null hypothesis and conclude that there is sufficient evidence at a 0.10 level of…

A: Given data number of success , x= 20.0 sample size, n = 540 population…

Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.04. Decide…

A: GivenThe test is left tailedTest statistic(z)=-1.04α=0.10

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: It is given that, The proportion of high school seniors who felt that "getting rich" was an…

Q: Given a null hypothesis H0: μ=177 and an alternative hypothesis H0: μ≠177, with n = 64,  M = 189,…

A:

Q: In a recent Super Bowl, a TV network predicted that 17 % of the audience would express an interest…

A: Let x be the number of people would watch one of the television shows. Here, x=31 and n=141 people…

Q: 6. When a new drug is created, the pharmaceutical company must subject it to testing before…

A: Note: As per my policy i can answer only 1 question. kindly repost the remaining questions. 6) Given…

Q: An experimenter conducted a two-tailed hypothesis test on a set of data and obtained a p-value of…

A: Given that  The pvalue for two tailed test =0.44 We have to find the p value for one tailed test:

Q: If a hypothesis test were conducted using a = 0.01, for which of the following p-values would the…

A: Given : Level of significance = 0.01

Q: 7. According to the February 2008 Federal Trade Commission report on consumer fraud and identity…

A: Solution: Given information: n= 1435 Sample size of complaints  x= 322 complaints of identity theft…

Q: A researcher administers a treatment to a sample from a population with a mean of m=50. If the…

A: Claim : the treatment is expected to increase scores.

Q: . Express the null hypothesis H0 and the alternative hypothesis Ha in notation form in the following…

A: Null hypothesis: A hypothesis set for possible rejection. it is of "no difference" type. Alternative…

Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.67. Decide…

A: We have to find P-value for a​ left-tailed hypothesis test with a test statistic

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: The hypothesized proportion is 0.72.

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Let p be the  proportion of high school seniors who felt that "getting rich" was an important…

Q: A coin-operated drink machine was designed to discharge a mean of 7 ounces of coffee per cup.…

A:

Q: A janitor at a large office building believes that his supply of light bulbs has too many defective…

A: p-value: The probability of getting the value of the statistic that is as extreme as the observed…

Q: Which of the following statements represents a null hypothesis? Strawberries are more nutritious…

A: Null hypothesis is kind of statement that represents no difference between two things  In other…

Q: Using the following data. Xi Yi 1 3 2 7 3 5 4 11 5 14 Use the F test to test the hypotheses at a…

A: Step1

Q: A researcher is wondering whether the drinking habits of adults in a certain region of a country are…

A: Here n = 150 , p = 0.26. In order to use normal approximation, sample must satisfy following…

Q: It has recently been claimed that 25% of adults consider spring to be their favorite season of the…

A: From the provided information, Population proportion (p) = 0.25 A researcher is skeptical of this…

Q: 20. Which of the following is a null hypothesis?   a. Pregnant women who drink cranberry juice…

A: Given that  Following statements  a. Pregnant women who drink cranberry juice will have lower urine…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given,   Claim: Suppose that we have reason to believe that this proportion has changed, and we wish…

Q: For a one-tailed hypothesis test with α = .01 and a sample of n = 28 scores, the critical t value is…

A:

Q: The results of a hypothesis test are reported as follows in a scientific report: t(38) = -3.13, p <…

A: Given, t(38) = -3.13 , p &lt; .05 The hypothesis to be tested is- H0: there is no difference between…

Q: 20. Suppose a 95% CI for the proportion of adults that regularly attend a tae kwon do class at least…

A:

Q: In a one-tail hypothesis test where you rejected Ho only in the upper tail, what is the value is…

A:

Q: After performing a hypothesis test, the p-value is p = 0.013. If the test was performed at a…

A:

Q: Identify the hypothesis test as being​ two-tailed, left-tailed, or​ right-tailed. b. Find the​…

A: From provided information, it is claimed that proportion is not equal to 0.659. Hypotheses can be…

Q: A hospital claims that the proportion of full-term babies born in the hospital who weigh less than…

A: null hypothesis H0: p=0.42 i. e. proportion of full-term babies, born in the hospital who weigh less…