If the population from which your samples are taken is not normally distributed, then sampling distribution of (x1-x-2)(x-1-x-2) will be approximately normally distributed when ? a.If the samples are combined togethe b.n1+n2= 30

Q: Determine whether or not the distribution is a discreet possibility distribution and select the…

A: Given data is x 1 6 7 P(X=x) 0.51 0.67 0.35

Q: Toss a fair coin three times. Let X is a random variable denoting the number of heads observed from…

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Q: The table below shows the frequency distribution of the weights (in grams) of pre-1964 quarters.…

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Q: QUESTION 51 "An repeated measures ANOVA is used to evaluate the differences among 6 treatment…

A: Repeated measures ANOVA is the equivalent of the one-way ANOVA, but for related, not independent…

Q: You are conducting a test of the claim that the row variable and the column variable are dependent…

A: Given Observe frequency:  O1=42, O2=22, O3=5, O4=41, O5=31, O6=15  Expected frequency:  E1=36.71,…

Q: Consider the following. (a) Draw a tree diagram to display all the possible head-tail sequences that…

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Q: "Calculate the Mean Squared Between treaments value for a repeated measures ANOVA with 13…

A: From the provided information, Number of observations in each condition (n) = 13 Number of…

Q: 2. If a chart shows that more than 80 percent of the students received either an A or B in the…

A: The given is inferred to indicate the proportion of students, who recieved either A or B in the…

Q: Two players, Fredo and Karl, on different teams wanted to find out who scored the higher number of…

A: formula for z-score is

Q: Find the probability of randomly selecting a student who spent the​ money, given that the student…

A: Given that    Purchased Gum Kept the money Total Students Given Four Quarters  29 15 44…

Q: You run a regression analysis on a bivariate set of data (n = 99). With * = 41.3 and y = 23.1, you…

A: given data bivariant data set n = 99 x¯ = 41.3 y¯ = 23.1

Q: You are conducting a test of homogeneity for the claim that two different populations have the same…

A: Given information: Category Population#1 Population#2 A 31 65 B 43 87

Q: An experiment was conducted to estimate the effect of smoking on the blood pressure of a group of 31…

A: The sample size is 31, sample mean is 9.1 and sample standard deviation is 5.3.

Q: Test the claim that the mean GPA of Orange Coast students is larger than the mean GPA of Coastline…

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Q: QUESTION 55 "A set of X and Y scores has MX = 13.25, MY = 309.39, SSX = 5476.69, and SP = 5962.02.…

A: Regression line has two types of regressors. It has two types of variables, they are independent and…

Q: A company that sponsors LSAI prep courses would like to be able to claim that their courses improve…

A: Given data: Person Initial test Post test 1 69 72 2 75 85 3 79 80 4 67 77 5 69 79 6…

Q: 15) fill in the blank. What is the p-value? What can you conclude about the quality of the…

A: Introduction: It is required to identify the p-value, and conclude about the equality of the…

Q: Class: Frequency: Calculate the median of the following frequency distribution: 30-40 40-50 10 16…

A: Solution: Class Frequency (f) cf 20 - 30 6 6 30 - 40 10 16 40 - 50 16 32 = cf (L = 50) -…

Q: The following stem-and-leaf display is prepared for the number of hours that 25 students spent…

A: Stem and leaf plot given for 25 students  First we will write down data in normal format We have to…

Q: TON 44 "A clinical psychologist wants to compare the efficacy of medication versus Cognitive…

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Q: Use z scores to compare the given values. Based on sample data, newborn males have weights with a…

A: Given that, Based on sample data, newborn males have weights with a mean of 3282.9 g and a standard…

Q: SAMPLING VS. RELIABILITY: "The larger the sample,the more reliable the results." Do you agree or…

A: Sampling is the method that used to take sample from the population. There are different methods…

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: Let us assume sample proportion(p^)=0.5margin of error(E)=0.058α=1-0.90=0.1α2=0.05Z0.05=1.645

Q: QUESTION 13 Calculate the relative frequency of X= 40 in the dataset presented in the frequency…

A: It is given that Frequency for X = 40 is = 18 The relative frequency is defined as R.frequency =…

Q: ou are conducting a test of the claim that the row variable and the column variable are dependent in…

A: Given data:     X Y Z Total A 3 39 24 66 B 17 53 32 102 Total 20 92 56 168

Q: Weights of 67 college students in kilograms in September of freshman year are provided in the…

A: Given that: Weights of 67 college students in kilograms in September of freshman years are provided.…

Q: Test the claim that the mean GPA of Orange Coast students is larger than the mean GPA of Coastline…

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Q: Suppose Z follows the standard normal distribution. Calculate the following probabilities using the…

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Q: (i) A new protein assay was implemented in a laboratory and data generated for three control samples…

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Q: You wish to test the following claim (Ha) at a significance level of a = 0.001. Ho: P₁ = P2 Ha: P₁…

A: From the provided information, Level of significance (α) = 0.001

Q: The manager of a grocery store has selected a random sample of 100 customers. The average length of…

A: Given information: There are sample of 100 customers and the standard deviation of the checkout time…

Q: Which of the following correctly describes the nature of discrete quantitative variables? a. They…

A: The objective is to identify the statement that correctly describes the nature of discrete…

Q: A. Find the standard deviation: (round your answer to two decimal places.) Standard deviation…

A: From given data we have : 30 students who live off campus. 720, 720, 720, 920, 690, 560, 680, 1020,…

Q: the Student_Data which consists of 200 MBA students at Whatsamattu U. It includes variables…

A: Variable descriptions Gender = 0 (male), 1 (female) Major = student's major Age = age of…

Q: Consider the following data find the value of P(X_>-2).Round your answer to one decimal place

A: Given that  x -5 -4 -3 -2 -1 P(X = x ) 0.2 0.3 0.2 0.1 0.2

Q: You wish to test the following claim (HaHa) at a significance level of α=0.002α=0.002.…

A: given data α = 0.002H0 :  p1 = p2Ha : p1 > p2n1 = 799,     p^1 = 0.369n2 = 465,   p^2 = 0.353…

Q: Consider the following data set z represents the month, y represents the number of dialysis patients…

A: Given: X represents the month  Y represents the number of dialysis patients

Q: Example 15.3 Given the following data. Find whether A and B are independent or associated. n. = 150,…

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Q: The following are the scores of 30 college students on a statistics test. 75 80 96 65 79 71 87 69 81…

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Q: Construct one table that includes relative frequencies based on the frequency distributions shown…

A: The total frequency calculated from the frequency distribution table is as follows: Tar (mg)…

Q: How many facts are known about each person? Person A B с D E a) 2 b) 0 c) 1 d) 3 Height (cm) 89 96…

A: The facts in this given scenario may be interpreted as the attributes (or characteristics), which…

Q: 4 The complement of a probability is marme POCOURE ESPECIAL Banking MASSOOD AMAROZAR 17032232332 exp…

A: What is the complement of a probability?

Q: a) First, ignore the fact that rrf depends on whether you are long or short t Suppose Trf = 2%.…

A: Note: As the question contains many subparts as per the company guidelines first 3 subparts will be…

Q: the correct answer below. The term linear refers to the straight line that passes through the…

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Q: Create a frequency distribution & histogram on the GPAs of the students. Use ranges of 2.50-2.75,…

A: Frequency analysis used to count the data. Frequency are calculated as grouped and ungrouped data.…

Q: 5) Two samples are taken with the following sample means, sizes, and standard deviations ¯x1 = 20…

A: Solution: Given information: n1=61n2=50x1=20x2= 29s1=2s2=5

Q: In a one-way ANOVA, if the null hypothesis is H0: μ1 = μ2 = μ3 = µ4, then the alternative hypothesis…

A: Given  Hypothesis Ho: μ1=μ2=μ3=μ4

Q: Given the linear correlation coefficient r and the sample size n, determine the critical values of r…

A: Introduction: Denote ρ as the true correlation coefficient, and r as the corresponding sample…

Q: What is the test statistic for this sample? (Report answer accurate to three decimal places.) test…

A: Given: α=0.002 Sample proportion, p^1=0.369  Sample size, n1 is 799 Sample proportion, p^2=0.353…

Q: The coordinate -6 has a weight of 3, and the coordinate 2 has a weight of 1.

A: From the provided information, The coordinate -6 (x1) has a weight of 3 that is w1 = 3 And…