Research Title Variables Recording the number of points scored by an NBA team in each game of the 2018 1. season. Collecting data about the mileage per liter 2. of a certain brand and model of a car Measuring the distance travelled by different cars using 1-liter of gasoline. REGIONV BI Ferteaching urposes only The effectiveness of two reading methods, 4. sight and phonics, in increasing verbalt for sale comprehension. The study investigated whether the ability to discriminate among parts of speech increased with chronological age and educational level. 3. 5. DEP

Q: 11 12 13 14 D 12 3 4 5 6 570 539 580 488 610 418 477 329 398 377 352 627 504 375 tudent 7 8 10 core…

A: First Second D (D-Dbar)^2 570 576 -6 71.04082 539 551 -12 5.897959 580 605 -25 111.7551 488…

Q: A pizza chain advertises that, in recent taste experiment in which their pizza (pizza A) was…

A: Expected value (E) =Total frequency 5

Q: Taxpayers who go to a treasury office to pay their contributions complain that they wait more than 7…

A:

Q: Professor Gersch loves, as everyone should, to collect and analyze statistical information. He…

A: In simple linear regression there will be only one independent variable. In multiple linear…

Q: To conduct an independent t test, you need: two intervally scaled independent variable and one…

A: Assumptions for performing independent t test:  Your dependent variable should be measured on a…

Q: 6.- The day after Thanksgiving-called Black Friday–is one of the largest shopping days in the United…

A: A confidence interval (CI) is a type of estimate computed from the observed data. It gives a range…

Q: In Dr. Potter’s study of ‘Objective Increases in Fear Based on Type of Haunting’, he reported that…

A: a. It is given that, ghosts earned a z-score of 0.93, spirits earned a z-score of -0.75, and…

Q: If you are only comparing two groups of respondents, and the t-value is found to be 2.30, what will…

A: If you are only comparing two groups of respondents, and the t-value is found to be 2.30, what will…

Q: A researcher is interested in seeing if negative political ads against an opponent (group one) are…

A: Sample mean (x̅1) = 7.07Sample mean (x̅2) = 9.44Sample size (n1) = 20Sample size (n2) = 20Standard…

Q: In each situation, indicate the explanatory variable and the response variable. (1) Does meditation…

A: The question is about types of variable Introduction : There are two types of variable Explanatory…

Q: 2. Write out the null and alternative hypotheses using symbols: Họ: Hạ: Now write out the same…

A: The observed data is given as:   frequency of noodles X-shaped O-shaped 33 21

Q: All or nearly all of the observations fall within the interval

A: It is given that  Mean = 79.6 and SD = 13.9

Q: equal to

A: Let us consider 2 variables from the data given and t-test can be computed: The 2 variables under…

Q: This was a question on my homework and I would like to know if I answered it correctly. Thank you…

A: Odds (O):The “odds” of the occurrence of an event is the ratio of the number of occurrences of the…

Q: What percentage of scores is between a z of ‐2 and a z of +2? Why is this important?

A: Use Empirical rule to solve it

Q: A researcher has participants expecting to receive either painful or mild electrical shocks during a…

A: Usually in survival analysis studies we can use both parametric and non-parametric statistics. For…

Q: For the following hypothesis, please state the IV and DV: “The gender of the interviewer has an…

A: In statistics, the independent variable (IV) is the variable which does not depend upon other…

Q: In a chi-square test, we want to know if the frequency of the noodles is significantly different…

A: Given that, there is a 50% chance to expect the X-shaped and O-shaped noodles. That means p= 50% =…

Q: 3. For the hypothesis test, write the concluding sentence in the form used by researchers. Context:…

A: #3 answered as requested Given : Alternate Hypothesis  : H1 : μ > 8 ft P-value = 5.6×10-6 Level…

Q: The flavour of juicy fruit is said to last on average 2 minutes. A consumer product reseacher wanted…

A: Solution-: Given: μ0=2 Test the  hypotheses at the 5% level of  using the following 5 step…

Q: Roy ‘s Texaco wants to keep the price of its unleaded gasoline competitive with that of other…

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Q: was the result statistically signifigant

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Q: A study done in 1997 showed that 4.7% of mothers smoked cigarettes during their pregnancy. An…

A:

Q: Read through this scenario and look at the data that was collected.  State the null and all possible…

A: Provided ANOVA result with replication

Q: In the question I am about to ask, I need help finding p-value, as I'm not sure how to test for it.…

A: Step 1: Suppose that p1 is the population proportion of residents in a certain city (urban area),…

Q: A new cream was developed to reduce the irritation caused by poison ivy. To test the effectiveness,…

A: Introduction: The benefit of the comparison done in the given study is to be determined.

Q: The claim is that the proportion of peas with yellow pods is equal to 0.25 or 25% the sample…

A:

Q: An instructor for a test preparation course claims that the course will improve the test scores of…

A: (a) the claim is "The students' critical reading rest scores improved the second time they took the…

Q: A recent study claims that 40% of registered voters associate themselves with Democrats. 35% with…

A:

Q: The value of Fcalc increases as A. variability due to chance decreases

A: as we know that : Fcalc=MSTMSEMST is the mean square of treatments, MSE is the mean square of error

Q: A researcher wants to know whether athletic women are more flexible than non - athletic women. For…

A:

Q: The values of P(Z≤−0.1) and P (Z≥0.1) are the same. Why?

A: We have given that  P(Z≤−0.1) and P (Z≥0.1)

Q: Need the H0 and H1 values

A: Let μ denotes the population mean male Boston Wheelchair Marathon winning finish time. The claim is…

Q: A special education teacher did research on whether or not there is a relationship between the…

A: The correlation coefficient and slope are –0.863 and –1.212294, respectively.

Q: An instructor for a test preparation course claims that the course will improve the test scores of…

A: Introduction: Denote μd is the true mean difference in the test scores of the students on the first…

Q: r. Lyte wishes to study speed of Reaction Time to press a button in response to the onset of a lamp.…

A: Introduction: A confounding variable in a study is a variable that has an effect on the response…