Students were surveyed about the time they wake up on school mornings. The results are shown in the table. Wake Up Time Survey Results Time Number of Range Students Before 6:00 3 6.00-6.30 13 After 6.30 4. Out of 500 students in the school, what is the best prediction for the number of students who wake up after 6:30? O 325 O 125 O 100 O 75

Q: Va – vãŸdx.

A:

Q: What is the mean of the data set comprising the numbers 7, 6, 5, 6 and 11?

A: Here Given Data set 7,6,5,6,11

Q: calculate the effect size and round two decimal places

A: Let  be the two population means of the reading group and no reading group. Given that,Sample size…

Q: Which number best approximates risk associated with tea drinking in men?

A: Tea drinking cancer patients in men = 140Total cancer patients in male = 200Tea drinking other…

Q: Uncertainty and risk play important roles in decision-making. Discuss how these factors affect…

A: Introduction: When making decisions, we often face uncertainty and risk. Uncertainty refers to a…

Q: A polling agency claims that over 40% of adults shop for a gift within a week of an event.  In a…

A: We have given that p = 40% = 0.40  n = 2730x = 1130p̂ = x/n = 1130/2370 = 0.4139Significance level…

Q: Illustrate the Test R2 for significance?

A: Coefficient of determination: The coefficient of determination (r2) is the percentage of total…

Q: Describe about the A common outcome signifies.

A:

Q: The National Safety Board predicts that 500 people will be killed and another 25,000 will be injured…

A: Assume that p as the true proportion of all accidents.

Q: The researcher wants to know if exercising before watching a play causes people to show more…

A: The researcher picks participants from the exercise group or the control condition. Explanation:…

Q: What does it mean to say that two variables are positively​ associated? Negatively​ associated?

A: Association: The association of how two varaibles are connected with each other. It decides how one…

Q: Describe a business scenario where you would have to test more than two samples of data. What type…

A: Given information: The investigator is specially interested describe a scenario to test more than…

Q: the variance of a data set is 144 and mean is 72 then coefficient of variance is

A: Given,variance(σ2)=144mean(x¯)=72

Q: How do I solve for the mean, quartile 1 and 3?

A: To calculate the mean, median, mode, quartile 1 and quartile 2 of the given data, we should first…

Q: Which variable is the explanatory variable and which variable is the response variable? ? Explain…

A: Let X be the teen birth rate and Y be the people living in poverty.

Q: What is H0? (Groups: 1= Business, 2= Management, 3= Services) Multiple Choices: 1. The mean FIQ…

A: Here we have 3 groups such that Business(1), Management(2) and Service(3). The variable on which the…

Q: What is the main difference between z score and T score?

A: Z Score and T scores are both used in Hypothesis testing.  Z score is used while using z test and T…

Q: Five hundred people were chosen at random from a large population and each was asked whether he or…

A: Given that, Sample size, n= 500 Proportion, θ= 60% = 0.60 Then X~ Binomial (500,0.60) Confidence…

Q: What is  the Q3 for the following data?   8, 11, 20, 10, 2, 17, 15, 5, 16, 15, 25, 6

A:

Q: Why t Test Not Appropriate?

A: t Test is the statistical parametric test which is used to compare the means of the population. It…

Q: What are the limitations of the mean

A: A.M is a ratio of sum of observations to the number of observations.

Q: What is the mean of the data set comprising the numbers 7, 8, 4, 5 and 11

A: Data set: 7, 8, 4, 5 and 11 Number of observations = 5

Q: Describe the four cases of the Leading Coefficient Test.

A: Let given polynomial function is fx=anxn+an-1xn-1+an-2xn-2+......+a2x+a1x+a0 The graph of given…

Q: What is p value ?

A: The​ P-value is the probability of observing difference in the sample statistic this high or higher…

Q: TRUE OR FALSE  Suppose you wish to use number of views for a video to predict the number of comments…

A: The objective of the question is to understand the concept of response variable in the context of a…

Q: Give an example of the Trial and Error Method?

A:

Q: How do you test for reliability

A: Reliability: Reliability is the consistency of the measures used in a testing process. In other…

Q: Describe the formula used to calculate a z-score?

A: The formula used to calculate z-score is

Q: Explain about the Initiating a Power Analysis.

A:

Q: The variables are the columns of a dataset.

A: Here we want to know given statement is true or false.

Q: What's the Z score and how is it calculated?

A: We know z-score is used in many fields. But we should know what is the meaning of z-score and how to…

Q: hy is the median the best representation

A: The mean,,,median,, 99, 254); position: relative; display: inline-block;">mean, median, and mode…

Q: What is the weakness of p value approach?

A: p-value is basically the probability that the null hypothesis is false. Interpretation: If p-value…

Q: What is the importance of collecting, organizing and presenting data? Minimum of 4 sentences.

A: From the given information we find the solution.

Q: How do you find the median of X?

A:

Q: Destiny wants to know whether gender predicts depressive symptoms in patients with heart disease.…

A: Given Destiny wants to know whether gender predicts depressive symptoms in patients with heart…

Q: Joselyn hopes to receive a grade of B or better in her statistics class. Currently she has scored…

A: Mean= sum of total obervation/ total no. Of observation

Q: Question is What do you conclude?

A: Given α=0.05            n = 39+32 =71           p0=0.5          Sample proportion p=3971=0.5493…

Q: What are the Four Steps to use when working with the t-test ?

A: The Four Steps to use when working with the t-test with p-value approach is given below: Step 1:…