For MEMBER 5: The number of demons slayed by the demon slayers per three years is known to be normally distributed with an average of 2560 and a standard deviation of 1419. The mean and standard deviation of the sample mean is given by Mean= µx = µ = 2560 Standard deviation(oz) = 0/Vn= 1419/v5 =634.60 Standard deviation(oz) = 634.60

Q: For numbers 1 to 4: A physician is interested to determine if the mean length of waiting time to…

A: Here, when we take sample from urban and rural then find mean and standard deviation which are…

Q: I’m interested in whether or not kids get hyper based on the type of drink they consume. I…

A:

Q: The 600 students in a faculty include undergraduates and postgraduates who may study full time or…

A: Given that,  Total number of students are n(s)= 600 Part time student are n(X2)= 50  Undergraduate…

Q: (a) Test the hypothesis Ho:p = 0.5 versus Hy:P ‡ 0.5. Use a = 0.05. (b) What is the P-value for this…

A: We have given that  Favourable cases, X = 115 Sample size, n = 484 Sample proportion, p^ = X/n =…

Q: The researcher conducted an experiment to determine whether different genre of music will have an…

A: A hypothesis test is crucial to inferential statistics.

Q: From past records, a department store finds that 70% of the people who enter the store will make a…

A:

Q: PROBLEM 3. The researcher conducted a study to determine whether the new exercise program will be…

A: Given information: A study was conducted to check the effectiveness of the new exercise program. It…

Q: d) If the variance is 120 1b, what sample size is necessary to estimate true yield point to be…

A: Given that  Variance  ?2=120 Margin of error =E =3 99% confidence.

Q: 5. Initially, 500 lives, each aged 0, were included in study of time of death. You are given the…

A: Given the data as j tj Number of deaths at tj Exists in tj*,tj+1* 0 0 0 4 1 22 1 10 2 31.5…

Q: Determine whether the data is from a primary or secondary source.

A: Primary data is the data collected at hand by the researcher. The primary data can be collected…

Q: 1-18. In how many different ways can a true-false test consisting of 9 questions be answered?

A: Question 1-18: There are 9 questions. Each question consists of two options true or false. The…

Q: - What percentage of the students is shorter than 135 cm?

A: Let X denote the height and f denotes the frequency. Then  Total frequency = 2+7+9+20+38+18+12+10+5…

Q: 14. How did you make the determination in Question #13?

A: Using the given figure, we need to given reason of determination made decision  in question #13.

Q: WHICH OF THE FOLLOWING ARE DISCRETE PROBABILITY DISTRIBUTION? IF IT IS NOT A DISCRETE PROBABILITY…

A: (1)  X 1 2 3 4 5 P(x)  0.10 0.20 0.25 0.40 0.05 then,  We have to check the given…

Q: Using the sample from the 100 restaurants, what is the test statistic? -1.45. 1.45. -0.145. 0.145.

A: Given that  Hypothesized Population Mean (\mu)(μ) = 13.0413.04 Sample Standard Deviation (s)(s)…

Q: 23. If you are doing a two-tailed test and alpha = .05, find the critical value of r from the table:

A: Correlation is an associational statistic.

Q: The weights of steers in a herd are distributed normally. The standard deviation is 300lbs and the…

A:

Q: n an experiment, college students were given either four quarters or a $1 bill and they could either…

A:

Q: 27. How did you make the determination in Question #26?

A: The given data points are: (1, 6), (3, 2), (4, 4), (5, 5), (7, 7), (8, 3)

Q: DETERMINE THE MEAN, VARIANCE, AND STANDARD DEVIATION OF THE FOLLOWING PROBABILITY DISTRIBUTION AND…

A: For the given data Mean = ? variance =? s.d =?

Q: You are performing a right-tailed t-test with a sample size of 19 If α=.01α=.01, and your test…

A: Assume that μ is the population mean.

Q: Directions: Determine the notation of the given parameter, inequality symbol, or value of the…

A: Given that  Average salary of Polytechnic University of the Philippines (PUP) graduate is at most…

Q: For the next five items, refer to the problem above, in the previous page. In addition to the female…

A: Using the least square regression line to estimate a boys foot length when widh is: a)  8.5 b)  9.6…

Q: Use the set of observations below to answer items 4 to 9. 239002 75 to- er 78 85 80 82 75 78 79 72…

A: Given data set is 80,82,75,78,79,72,71,59,70,75,78,85,64,74,56,61,75,71,59,64,81,73,74,56,61,85n=26

Q: Calculate the sample standard deviation. Given E7º, xỉ = 100112. %D Compute Pg0. Hence, comment the…

A: Given,sample size(n)=20and ∑i=120xi2=100112

Q: For numbers 8 to 10: The owner of a newly opened bakery is interested to know if the mean moisture…

A: Here, we can see that p-value is too large. P-value is greater than alpha= 0.05

Q: HYPOTHESIS TESTING s: Identify a product available in your home. Measure the weight (g) or length…

A:

Q: Consider the following estimation logwage = 5.86 + Biuniversity+ 0.05erperience %3D (0.87) (0.050)…

A: The p-value for the two-tailed test is 0.058.

Q: d. Between 2 and 9 (including 2 and 9) of them live in poverty.

A: Given that  Number of trials n=47 Success of probability p=0.10 X~binomial (n,p)

Q: Obtain the descriptive statistics for each type of fertilizer.

A: Given data:   L1 L2 L3 L4 L5 P1 63.3 55.8 62.9 63.8 70.9 P2 62.3 68.7 67.8 66.2 75.4 P3…

Q: Problem 2. Suppose that 10% of all steel shafts produced by a certain process are nonconforming but…

A: Given information: Random sample is n=200 Probability that nonconforming shafts is 10%=0.10 a) The…

Q: A rent-to-own (RTO) agreement appeals to low-income and financially distressed consumers. It allows…

A: For validating if there is a discrepancy between the observed frequencies of attributes of RTO…

Q: Suppose a free throw shooter makes 67 percent of their first attempts.  On the second attempt they…

A:

Q: If you were a student, inscribe the things you’ve learned about the different concepts of Linear…

A: Here I have to express, what is linear regression ? How to apply with real life situation ?

Q: (c) What is the point estimate (in dollars) of the difference between the population means? $ 840…

A:

Q: The quality control manager at a computer manufacturing company believes that the mean life of a…

A: The quality control manager at a computer manufacturing company believes that the mean life of a…

Q: Identify the type of data. Continuous Numerical Data       Discrete Numerical Data…

A: Given that  Nominal data: Nominal data measure qualitative data and it is the name of variable.…

Q: 3. BROILER DIET STUDY A study aims to determine if a diet supplemented with phytase has a greater…

A: T test is the type of parameteric test. It is used when the sample size is very small or when the…

Q: 24. What is your decision regarding the null hypothesis? Reject or Fail to Reject

A: Using the given figure, we need to test for the significance of correlation coefficient between X…

Q: The figure below shows the federal surplus or deficit from 1980 to 2015.

A: Given information: Given graph shows the federal surplus or deficit from 1980 to 2015.

Q: 11. If the slope of the least squares regression line is negative, what else must be negative?

A: here use basic of correlation coefficient and least square regression

Q: 80 82 75 78 79 64 A74 56 61 75 25 85 61

A: Arranging the given data set into the ascending order: 56, 56, 59, 59, 61, 61, 64, 64, 70, 71, 71,…

Q: 2. Consider the foot length and foot width of six female grade 4 students in Morning Star Montessori…

A:

Q: Problem 4 On the basis of extensive tests, the yield point of a particular type of mild…

A: Given,standard deviation(σ)=120margin of error(E)=3α=1-0.99=0.01α2=0.005Z0.005=2.58      (from…

Q: student beginning her senior year has accumulated 90 credits and has a C-minus cumulative grade…

A:

Q: Suppose that  52%  of the population of U.S. voters favors a particular presidential candidate. If…

A:

Q: Let X1,...,X, be independent random variables with pdfs f(z:(0) = { 0 -i(0 – 1) 0. Find a…

A:

Q: An October 2011 CBS News Poll on illegal immigrants interviewed 1012 randomly selected American…

A: Givensample size(n)=1012x=688p^=xn=6881012=0.6798

Q: According to previous research, the mean amount of money spent on gifts for the holiday season by a…

A: The random variable X follows normal distribution. We have to construct 95% confidence level for the…

Q: The standard error of the differences , and x, is about SE = 1.667. Use the normal distribution to…

A: There are 24 students enrolled in an introductory statistics class at a small university. As an…