If my result is significant, do I reject my null hypothesis?: The t-value is 2.76273. The p-value is .006739. The result is significant at p < .05   Also, do I reject null for this information below too?: The t-value is 21.65739. The p-value is < .00001 (p-value ≈ 0). The result is significant at p < .05.

Q: A sample of 100 mortgages approved during the current year showed that 31 were issued to a…

A: Given that: Population proportion, p=0.25 Number of mortgages that were issued to a single-earner…

Q: Use intuition to match the appropriate correction with applications. Every option is only used in…

A: Given three scenario to match the appropriate correction with applications.

Q: Assuming that the p-value calculated in a specific test is given as 0.09. Which one of the following…

A: Given information- We have given the P-value of certain tests. P-value = 0.09 A p-value is a…

Q: Given the following table of values, compute (gog)(-4). Do not include "(gog)(-4) =" in your answer.…

A: we need to find out the value of the  by using the table given.

Q: (a) For t -1.668, should you reject or fail to reject the null hypothesis? O A. Reject Ho, because t…

A:

Q: Suppose that 500 parts are tested in manufacturing and 10 are rejected. Test the hypothesis Ho : p =…

A: Given Sample size is n=500 Number of parts that are rejected is x=10 Hypothesis to be tested is…

Q: Last year's average beef consumption was 56.2 lb. This year, a random sample of 100 consumers showed…

A: Given:n = 100x̄ = 58.4s = 16.8

Q: A home pregnancy test was given to women, then pregnancy was verified through blood tests. The…

A:

Q: 5. For a problem in which the observed value of t= 1.999 with 21 degrees of free- dom (two-tailed),…

A: 5. Rejection rule based on p-value: Reject null hypothesis if p-value ≤ α level of significance.

Q: 20% of our Jadara university students feel that the bus system at the university is adequate. If 100…

A: Given that, n = 100, p = 0.20 The values of mean and standard deviation are,

Q: A claim by a researcher stated that the time spent on the internet per week is greater than 15 nours…

A: We have given that,  H1 &gt; 15 Sample size (n) = 150 and statistic = 2.26 Then,  We will find p-…

Q: What is the probability that one random sample of 100 U.S. births in 2014 would have a mean birth…

A: Given: X P(X) 1 0.391 2 0.319 3 0.168 4 0.072 5 0.028 6 0.012 7 0.005 8 0.005…

Q: Find the P-value.

A: Given : n=1000 , X=850 , p0=0.9  Assume that α=0.05 Our aim is to find the p-value.

Q: Are you smarter than a second-grader? A random sample of 60second-graders in a certain school…

A:

Q: Only 11% of registered voters voted in the last election. Will voter participation change for the…

A: From the provided information, Population proportion (p) = 0.11 Sample size (n) = 380 Out of which…

Q: Number of Farms A random sample of the number of farms (in thousands) in various states follows.…

A: We have to find the 90% confidence interval for the mean with given SD

Q: The relative error when 2.01239572 is estimated by 2.01237689 is Blank 1. (Answer must be in 8…

A:

Q: For a hypothesis test of the claim that the mean amount of sleep for adults is less than 8 hours,…

A: Introduction: The power of a test is the probability of correctly rejecting the null hypothesis when…

Q: Suppose a sales manager wants to compare different sales promotions. He chooses 5 different…

A: Given that,No. of different promotions No. of random stores Total no. of observations Test statistic…

Q: In a sample of 50 leopards selected randomly from one preserve, it is found that 33 of them have…

A: Given, The sample proportion is,

Q: Stoaches are fictional creatures, sometimes mistaken for mome raths. Suppose a two-tailed ? t -test…

A: According to the given information in this question We need to find the p value  When  t = -0.85015…

Q: In testing the hypotheses 75.  < 75. if the value of the Z test statistic equals 1.78, then the…

A: if the value of the z-test statistics equal -1.78 then the value of p-value is =0.3754 by useing the…

Q: In a sample of 74 leopards selected randomly from one preserve, it is found that 7 of them have…

A: Solution: Let X be the number of leopards have respiratory problems and n be the sample number of…

Q: Suppose that 1000 customers are surveyed and 850 are satisfied or Test the hypothesis Ho: p = 0.9…

A: Answer Given,The population proportion, p =0.90The sample size, n= 1000The Favorable cases [x] = 850

Q: Several students were tested for reaction times (in thousandths of a second) using their right and…

A: In question, We'll discuss the hypotheses for test.

Q: Your medical research team is investigating the mean cost of a​ 30-day supply of a certain heart…

A: A pharmaceutical company thinks that the mean cost is more than $54.

Q: itn eneee nt/showtest.php?action=skip&to-16 You wish to test the following claim (Ha) at a…

A: Null Hypothesis: H0:p1=p2 Alternative Hypothesis: H1:p1≠p2 Test Statistic: The test statistic is…

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

A: Given: Critical value t0=1.546

Q: The mean height of women over twenty years of age is 63.7 inches A researcher conducts a hypothesis…

A: Mean height, The researcher wants to test the hypotheses,Sample size,  Sample mean, p-value for the…

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

A: Given,t-critical value(t0)=1.703and the given test is right-tailed test.

Q: YOU receve a brochure trom a large university The brochure indicates that the mean dlass size for…

A:

Q: True or False p<.05 is a standard number found to prove that there had been an effect.

A: Solution-: p&lt;0.05 is a standard number found to prove that there had been an effect. (a) True…

Q: A state legislator wants to determine whether her performance rating (0-100) has changed from last…

A: Given: Voter Last Year This Year 1 60 56 2 54 48 3 78 70 4 84 60 5 91 85 6 25 40 7…

Q: express the null hypotehsis and the alternative hypothesis in symbolic form. the manufacturer of a…

A: Claim:  ? ≠43

Q: A researcher looked at two groups of subjects with 6 participants in each group. She computed the…

A: Given that  A researcher looked at two groups of subjects with 6 participants in each group.  She…

Q: A humane society claims that less than 70% of households in a certain country own a pet. In a random…

A: Given that a human society claims that less than 70% of households in a certain country own a pet.…

Q: A researcher conducted a chi-square test of independence and obtained a chi-square value of - 2.83.…

A: The given chi-square value is 2.83.

Q: The results section of an article reports the following “IQ scores of the sample differ from the…

A: In this case, the test statistic is defined as t19 = 2.80.

Q: A random sample of students who took the GRE twice found 27 who were coached between tries and 33…

A:

Q: Which APA sentence below is formatted correctly with no mistakes? t(.8128) = 7.0, p = α, tobt =…

A: Solution A APA format contain the df,t value ,p value compared with alpha and effect size.

Q: Only 19% of registered voters voted in the last election. Will voter participation increase for the…

A: The null and the alternative hypotheses are,  H0: p=0.19 Ha: p&gt;0.19 The sample proportion is,…