What is defination for p -value
Q: Cancer occurs once in every 7409 patients . In the past year,1832 people out of 1,000,000 patients…
A: Given Data: x=1832 n=1000000 Using Binomial to normal approximation X~ Normal (1832, 1832×0.998)…
Q: The z-score of student having a score of 75. O 0.556 O 0.672 O-0.556 O -0.752
A: We have given following data 82, 75, 88, 92, 62, 71, 84, 78, 86, and 81. From the given data first…
Q: Listed below are the amounts(in millions of dollars) collected from parking meters by a security…
A: For Security company Mean Mean = 1.3
Q: A survey item administered at the end of a training program asked participants their opinion about…
A: The number of rows, r = 2 and the number of columns, c = 3.
Q: What is the general nature of the sample (i.e. descriptive statistics) in terms of average and…
A: Mean: The mean of a data set is the sum of all of the data divided by the size. The mean is also…
Q: What information is provided by the sign (+/–) of a z-score? What information is provided by the…
A: Let, the dataset scores have a mean µ and standard deviation σ. Then the z score of a given score ,…
Q: A manufacturer of flashlight batteries took a sample of 10 batteries from a day's production and…
A: Normal distribution, also known as the Gaussian distribution, is a probability distribution that is…
Q: *************** Data released by the Department of Education regarding the rate (percentage) of…
A: Given thatData released by the Department of Education regarding the rate (percentage)of ninth-grade…
Q: A data set includes data from student evaluations of courses. The summary statistics are n= 93, x=…
A: State the hypotheses. Correct option: Option A
Q: A split ticket is a voting pattern in which a voter casts votes for candidates from more than one…
A: A split ticket is voting pattern in which a voter casts votes for candidates from more than one…
Q: Explain the first step in the F-test is?
A: Hypothesis: Hypothesis is an assumption about the parameter of the population which will be made on…
Q: A researcher finds that participants exposed to high, medium, or low levels of stress (as…
A: Given: The difference in the ratings of personal anxiety of participants is found by the researcher.…
Q: Outline the differences between paired and unpaired t-test with examples.
A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…
Q: Many Americans were happy with the Supreme Court's decision to accept same-sex marriage. A poll was…
A: The test is to check whether the Republicans less satisfied with gay and lesbian acceptance compared…
Q: A survey was conducted of 115 college students at to which of the fast food places they liked. Use…
A:
Q: Out of 6000 graduates in a town 600 are females out of 1200 graduate employ 100 are females. Use x…
A: Given that: Total number of graduates/ frequency, n = 6000 Total number of females = 600 Total…
Q: Out of 6000 graduates in a town 600 are females out of 1200 graduate employ 100 are females. Use z…
A:
Q: Last year, 40% of business owners gave a holiday gift to their employees. A survey of business…
A: a)From the given information, the sample proportion p hat is 0.30 and sample size (n) is 80.
Q: Data was collected for 296 randomly selected 10 minute intervals. For each ten-minute interval, the…
A: A histogram was provided that displayed a random sample of n=296 individuals selected 10-minute…
Q: X ~ N(–5, 2) What is the median?
A: Given that X~N( μ , ?2 ) μ= -5 , ?2 =2
Q: A total of 2430 American adults responded to a survey about their income class and their general…
A: Given data: To find:
Q: When performing test on 3₁ (for liver), what is the p-value? [Select] what is the decision on the…
A: (a). p-value for liver is 0.134790 from the first table. (b). p-value for liver is 0.134790 which…
Q: weukd you favor spendng more federal tax meney en the arts? of a random sample of n, 237 women, r,…
A: Given information: It is given that n1 = 237, r1 = 68, n2 = 192 and r2 = 64.
Q: The police department wanted to know if 911 calls came in more often on some days of the weekend.…
A: State the hypotheses. The hypotheses are stated below: Obtain the expected frequencies. The…
Q: the Covid-19 pandemic, made malls in Japan begin to limit the number of visitors and time of visit.…
A: Given: n=10 Using the excel formula "=AVERAGE(A2:A11)" the sample mean x¯=46.5 Using the excel…
Q: Last year, 46% of business owners gave a holiday gift to their employees. A survey of business…
A: Given: p=46%=0.46p^=35%=0.35n=80
Q: Have you ever tried to get out of jury duty? About 36% of those called will find an excuse (work,…
A:
Q: Last year, 44% of business owners gave a holiday gift to their employees. A survey of business…
A: Given Information: Last year, 44% of business owners gave a holiday gift to their employees i.e., π0…
Q: A cognitive psychologist conducted a study of whether familiarity of words (X) predicts the time it…
A: 1. In this case, familiarity of words is the independent variable (x) and whether the time it takes…
Q: Last year, 43% of business owners gave a holiday gift to their employees. A survey of business…
A: Hypothesis:A hypothesis is an assumption that is made based on some evidence. This is the initial…
Q: Law School According to the Law School AdmissionCouncil, in the fall of 2007, 66% of law school…
A: a.
Q: ANOVA constitutes a pairwise comparison. 1) True 2) False
A: ANOVA is used to determine if there are any significant differences between the means of three or…
Q: Last year, 54% of business owners gave a holiday gift to their employees. A survey of business…
A:
Q: A research done by a graduating student reports that the average score of University students in…
A: Given that:Data points [65.0, 70.0, 80.0, 85.0, 60.0, 90.0, 80.0, 75.0, 85.0, 90.0] From Data…
Q: In San Francisco, a sample of 3,264 wireless routers showed that 1,142 used encryption (to prevent…
A: From the provided information,
Q: olex claims that its watches on average will neither gain nor lose time during a week. A sample of…
A: The question is about hypothesis testing.Given :Sample no. of watches ( n ) = 18
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- The following test scores are for two classes that took the same test. (The highest possible score on the test was 60.) Class 1 (24 scores): 37, 45, 52, 55, 11, 55, 44, 55, 35, 25, 52, 42, 35, 21, 42, 52, 41, 40, 34, 51, 41, 41, 41, 41 Class 2 (25 scores): 50, 40, 40, 23, 40, 50, 31, 31, 40, 31, 31, 31, 53, 33, 33, 35, 55, 24, 39, 40, 41, 59, 41, 39, 46 Form a back-to-back stem and leaf plot with one stem. Put the leaves for one class on the right side of the stem and the leaves for the other class on the left side. Record the leaves in increasing order from the stem. Leaf (Class 1) Stem Leaf (Class 2) 4 3 1What is the F test formula for comparing three or more means?A sports company is struggling during corona epidemic. This sports company uses this time in analysis to make profit when time is right. The company was doing analysis of the last digit of their jerseys, which were most sold during the FIFA world cup. The company hires you to test the claim that the last digit of jerseys from the population which has different frequency, SRS of 300 sports fans are randomly selected. The table is formed from the results. Last digit o 1 2 3 |5 |6 |7 36 37 4 8 9 Frequency 30 35 24 25 35 27 27 24 The company assigns you the tasks: 1) What are the observed and expected frequencies for their last digit of 7? Choose one of the following: a) 7.7 b) 27.27 c) 27.30 d) 30.27 e) 7.27
- Discuss the assumptions for one-sampled t-test and why they are important.just the last part thank you!find p value and its meaning please A survey of 1000 adults from a certain region asked, "If purchasing a used car made certain upgrades or features more affordable, what would be your preferred luxury upgrade?" The results indicated that 58% of the females and 51% of the males answered window tinting. The sample sizes of males and females were not provided. Suppose that of 600 females, 348 reported window tinting as their preferred luxury upgrade of choice, while of 400 males, 204 reported window tinting as their preferred luxury upgrade of choice. Complete parts (a) through (d) below. a. Is there evidence of a difference between males and females in the proportion who said they prefer window tinting as a luxury upgrade at the 0.05 level of significance? State the null and alternative hypotheses, where π1 is the population proportion of females who said they prefer window tinting as a luxury upgrade and π2 is the population proportion of males who said…
- In a recent study, 20 males used a new weight-loss supplement, and 14 of them experienced weight loss after two weeks. In the same study, 50 females used the same supplement, and 29 of them experienced weight loss after two weeks. Fill in the blanks below to make the most reasonable statement possible. The new weight-loss supplement was less effective on ▼(Choose one) in the study. That is because % of them failed to lose weight after two weeks, whereas only % of the ▼(Choose one) failed to lose weight after two weeks.A study of n = 2252 adults age 18 or older found that 72% of the cell phone users send and receive text messages.15 A study of n = 800 teens age 12 to 17 found that 87% of the teen cell phone users send and receive text messages. What is the best estimate for the difference in the proportion of cell phone users who use text messages, between adults (defined as 18 and over) and teens? Give notation (as a difference with a minus sign) for the quantity we are trying to estimate, notation for the quantity that gives the best estimate, and the value of the best estimate. Be sure to clearly define any parameters in the context of this situation.i need perfect answer
- Is it true that the two means which are declared different by Scheffe’s test is also different by Honest Significant Difference Test or no?A PREVIOUS TUTOR GAVE ME INCORRECT ANSWERS, THE RED X'S COME FROM ME HITTING "CHECK MY WORK" BEING THAT THOSE SPOTS WERE BLANK THERE ARE RED X MARKS, BUT THIS IS NOT GRADED. A study reported in The Accounting Review examined the separate and joint effects of two levels of time pressure (low and moderate) and three levels of knowledge (naive, declarative, and procedural) on key word selection behavior in tax research. Subjects were given a tax case containing a set of facts, a tax issue, and a key word index consisting of 1336 key words. They were asked to select the key words they believed would refer them to a tax authority relevant to resolving the tax case. Prior to the experiment, a group of tax experts determined that the text contained 19 relevant key words. Subjects in the naive group had little or no declarative or procedural knowledge, subjects in the declarative group had significant declarative knowledge but little or no procedural knowledge, and subjects in the procedural…