You run a one sample t-test on your data and get a p value of .003. That means that: you can reject the alternate hypothesis that your sample did not come from this population O you fail to reject the null hypothesis that your sample came from this population you can reject the null hypothesis that your sample came from this population you can accept the null hypothesis that your sample came from this population

Q: A hypothesis test with a sample of n = 25 participants produces at statistic of t = 2.53. Assuming a…

A: Given that n=25,t=2.53. The test is a two-tailed test. So, we reject H0 at level α, if…

Q: A hypothesis test was conducted, at α = 0.05, to determine whether a certain chemical compound lasts…

A: Population mean , µ = 30 seconds. Sample mean , x̅ = 37.4 seconds. Sample size , n = 80. The…

Q: Surveys indicate that generally at least 61% of AIDS patients die within 15 years. In recent years,…

A:

Q: A new insecticide is advertised to kill more than 95% roaches upon contact.  In a laboratory test,…

A: From the provided information, level of significance (α) = 0.05 Sample size (n) = 400 Out of which…

Q: A publisher reports that 30% of their readers own a particular make of car. A marketing executive…

A: solution

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

A:

Q: In a test of Ho: µ = 85 against Ha: u > 85, the sample data yield the sample statistic z = 1.64.…

A:

Q: A hypothesis test is conducted with H0:μ=46 and H1:μ≠46 A simple random sample of size n=68n=68 is…

A: Null hypothesis: µ=46. Alternative hypothesis: µ≠46. This is a two-tailed test. Here, the sample…

Q: Suppose we want to test the null hypothesis H0 : p1 - p2 = 0 against the alternative hypothesis H1 :…

A:

Q: A hypothesis test produces a t statistic of t=2.01.If the researcher is using a two tailed test with…

A: →Given that,  test  statistic for two tailed t‐test       t=2.01     significance  level=0.05     we…

Q: The effectiveness of a new bug repellent is tested on 1616 subjects for a 10 hour period. (Assume…

A: The one sample t- test statistic is used to find the significant difference between the population…

Q: State whether the standardized test statistic t indicates that you should reject the null…

A: The critical region is t > 1.875. That is, if standardized test statistic is greater than 1.875…

Q: A hypothesis test produces a t statistic of t = +2.19. If the researcher is conducting a two-tailed…

A: Given information- We have given two-tailed test statistics. The value of the t statistics = +2.19…

Q: A sample of n = 30 scores produces a calculated t statistic of t = -2.029. If the researcher is…

A: The sample size n is 30.

Q: r is interested in the hypothesis testing problem H0 : µ = 373 vs µ 6= 373 where µ is the average…

A: a). Given: n=sample size=29           level of significance=α=0.10  We have,  Ho:μ=373H1:μ≠373 The…

Q: A researcher believes that the average amount of calories consumed daily differs between adult males…

A: Answer:- A researcher believes that the average amount of calories consumed daily differs between…

Q: m sample of 450 patients who underwent knee surgery is taken and it is determined that 371 of these…

A: In hypothesis testing, a null hypothesis can be defined as the hypothesis of no difference or…

Q: A researcher believes that more than half of college students average less than 6 hours of sleep per…

A: The claim is that more than half of college students average less than 6 hours of sleep per night…

Q: A teacher selects a random sample of 56 students from her large high school. For each student, she…

A: We want to tell you hypothesis

Q: In a sample of 100 Republicans, 60 favored the President's anti-drug program. While in a sample of…

A: Given: In a sample of 100 Republicans, 60 favored the president's anti-drug program. While in a…

Q: A sample of n = 200 college students is asked if they believe in extraterrestrial life and 120 of…

A: Two tailed p-value is   P-value =2× one tailed p-value

Q: A medical school claims that more than 28% of its students plan to go into general practice. It is…

A: Givensample size (n)=130p^=0.32H0:p=0.28H1:p>0.28

Q: t recession has affected men more than women because men are typically employed in industries that…

A: Given data : x1= 20.0 n1= 160 x2= 13.0 n2= 145 significance level,…

Q: A medical school claims that more than 28% of its students plan to go into general practice. It is…

A:

Q: In a test of H0:μ = 100 against Ha:μ>100, a sample of size 80 producers z = 0.8 for the value of the…

A:

Q: A recent study showed that in a random sample of 100 people, 30% had visited Worlds of Fun.  In…

A: since p-value > 0.05 fail to reject the null hypothesis

Q: a researcher uses a sample of n=25 individuals to evaluate the effect of a treatment. the hypothesis…

A: From the provided information, Sample size (n) = 25 Level of significance (α) = 0.05 The value of…

Q: The proportion of people that own cats is 20%. A veterinarian believes that this proportion is…

A: Conditions are cheked below

Q: A sample of 9 measurements, randomly selected from a normally distributed population, resulted in…

A: From the provided information, Sample size (n) = 9 Sample mean (x̅) = 2.6 Sample standard deviation…

Q: In a test of H0:μ = 100 against H1:μ>100, a sample of size 80 producers z= 0.8 for the value of the…

A:

Q: A researcher obtains t = 2.05 for an independent-samples study using a sample of n = 10…

A: Solution: Given information provide Sample size n=10 t=2.05

Q: In a sample of 100 adults selected randomly from one town, it is found that 15 of them have exposed…

A: State the hypotheses.

Q: Which of these experiments will have the LEAST power?

A: The statistical power of a significance test depends on: The sample size (n): when n increases, the…

Q: A hypothesis test is performed in which the research (alternative) hypothesis states that more than…

A: Decision rule :  Reject null hypothesis (H0) if p-value less than significance level α Otherwise…

Q: A researcher believes that more than half of college students average less than 6 hours of sleep per…

A: The p-value is less than 0.0001.

Q: Which of the following statements most adequately summarizes the conclusion statement resulting from…

A: The p-value is given as 0.04.

Q: An independent-measures experiment with four treatment conditions has a sample of n = 30 scores in…

A: The formula for SS-Between is, SSb=∑Ti2ni-G2N

Q: f a hypothesis test using a sample of n = 16 scores produces a t statistic of t = 2.15, then the…

A: It is given that in a hypothesis testing problem, we have a Sample size, n= 16, the value of the…

Q: Suppose we want to test the null hypothesis H0 : p1 - p2 = 0.12 against the alternative hypothesis…

A: State the hypotheses.     Obtain the value of the test statistic. The value of test statistic is…

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

A: Sample size, n = 25 t statistic = +2.052 Given that two tailed hypothesis test.

Q: Please help me with this problem

A: The test hypotheses are given below:Null hypothesis:H0:p=0.11Alternative hypothesis: Ha:p≠0.11The…

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 86…

A: State the hypotheses.   Let p1 denotes the population proportion of conservative voters. Let p2…

Q: Let n1=40​, X1=10​, n2=40​, and X2=20. Complete parts​ (a) and​ (b) below. a. At the 0.05 level of​…

A: From the given information, X1=10, n1=40 X2=20,  n2=40

Q: You hypothesize that two parental flies are heterozygous and run a chi square analysis on their…

A: We have given that  The data suggest that you do not reject the null hypothesis H0.

Q: In a sample of 40 people 65% are black. Test the null hypothesis that the population proportion of…

A:

Q: In testing the hypotheses H 0 : p = 0.50 H0:p=0.50 versus H A : p ≠ 0.50 HA:p≠0.50 , a sample of 100…

A: It is a two tailed test.

Q: A medical school claims that more than 28% of its students plan to go into general practice. It is…

A: Given n=130 Pcap=39%=0.39

Q: A researcher conducts a left-tail hypothesis test. Assume that a = 0.05 (5%). The t statistic from a…

A:

Q: which of the following statements is true if when using null hypothesis testing, our p value (in the…

A: Decision rule: If p-value is less than or equal to significance level, reject null hypothesis If…

Q: Someone claims the average high school GPA among incoming Berkeley freshmen is 3.9. A simple random…

A: