II. PERFORMANCE TASK Find the percentile rank of 115 and 155 for the following distribution Class Interval 151-160 141-150 131-140 121-130 111-120 101-110 91-100 81-90 71-80 Frequency 8 12 6 10 7 11 13 9 4

Q: objectives choose from (A,B,C,D,E) Based on the following grouped frequency table of the income x…

A: Solution: The frequency distribution is  Income Frequency(f) Midpoint(x) fx Cumulative frequency…

Q: where did 0.025 come from? please explain the steps to get critical value

A: The level of significance is 0.05.

Q: Suppose that the age of students at George Washington Elementary school is uniformly dist and 10…

A: Given: Lower limit (a) = 5 Upper limit (b) = 10 Sample size (n) = 39

Q: What is the value of SS (sum of squared deviations) for the following sample? Scores: 2, 4, 5, 9…

A: Given Scores: 2, 4, 5, 9

Q: 2. Question: The lifespan of wafer processing machines used by a semiconductor manufacturing company…

A:

Q: Find the 5 number summary for the 12 data values shown in the table below. Use the…

A: Given : x 7 22 34 42 43 48 58 64 69 79 93 95

Q: work

A: Types of Bias: 1. Selection Bias If the sample used in the research does not represent the complete…

Q: a.Fit a multiplelinear regression model for this data.

A: Given information: Consider the given data: Y X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 18.9 350 165…

Q: Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval…

A: Given problem Given that   Assume that a sample is used to estimate a population proportion p. We…

Q: If f(x|y) =1-y and y unif(0, 1), then J.p.d.f x and y (f(x, y)) is: -E₂ The for y<x< 1, 0<y <1 0.W 1…

A:

Q: unflowers Apparel, a chain of upscale clothing stores for women, have increased during the past 12…

A: Given: Size (thousands of sq. ft) Annual Sales (millions of $) 1.7 3.7 1.6 3.9 2.8 6.7…

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: Quantitative variables are those whose values are determined by counting or measuring…

Q: = Let {B(t), t≥ 0} be a standard Brownian motion and X(t) E [(X(2) + X(4))²]. -3t+2B(t). Find the

A: A Standard brownian motion is B(t) X(t)= -3t +2B(t) X(2)= -6+2B(2) X(4)= -12+2B(4) now we add X(2)…

Q: 5.- A total of 801 adults were asked whether they prefer to drink coffee, tea or neither. 18-29…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: QUESTION 1 The measurement scale that allocates values to variables based on their relative ranking…

A: Given that  1.. The measurement scale that allocates values to variables based on their relative…

Q: Example: Find the theoretical values for linear equation (y) from the given data a=0.0445, b=3.48,…

A: The regression equation is yi=aXi+b.

Q: QUESTION 21 Explain in detail four types of probability sampling techniques.

A: Probability sampling techniques can be classified into four types.

Q: In a statistics class, the average grade on the final examination was 65 with a standard deviation…

A:

Q: Q1) In a ring Z, find the least common multiple of {2,3,8,12).

A: Given problem Given that   In a ring Z , We have to find the Least common multiple of { 2,3,8,12…

Q: 2 A discrete random variable Y takes the values -1, 0 and 1 with probabilities 10, 1-0 and 10…

A:

Q: 1. On paper and without using a software (besides a calculator), calculate the standard deviation of…

A: Data given Weight=X…

Q: If AA and BB are two mutually exclusive events with P(A)=0.35P(A)=0.35 and P(B)=0.55P(B)=0.55, find…

A:

Q: be i.i.d.~Uniform(0, 0+1). Suppose has the prior pdf 1 f(0) 0 > 1. 02¹ a sample {₁,...,n}, find the…

A: Given: fpriorθ=1θ2         θ&gt;1 X~Uθ,θ+1

Q: Given the covariance matrix of a system of four normal random variables (X₁, X2, X3, X4), 15 3 1 0 3…

A:

Q: Count the number of ways to select a sample of 33 people to serve on a board of directors from a…

A: Given Count the number of ways to select a sample of 3 people to serve on a board of directors from…

Q: Given a marginal p.m.f of x (f(x)) that distribute (EJ)uniformly on 1 and 2 and a marginal p.m.f of…

A: Solution

Q: Two dice were thrown 180 times, and at each throw the number X of sixes was recorded, with the…

A:

Q: :Q3) For the following data 50-54 55-59 60-64 65-69 70-74 75-79 80-84 7 10 16 12 9 3 * :d) The mean…

A: Solution

Q: A psychologist is interested in the mean IQ score of a given group of children. It is known that the…

A: From the provided information, Sample size (n) = 150 Sample mean (x̄) = 98 Population standard…

Q: Au ge ㅎㅇ sls st | 블 하블 + 22 0 +4 1 = |= U +0 x=2 司 (-4, =] find MLE (0) ㄱ

A:

Q: Let the pdf f(x) then F(x) is 051515 15≤ x ≤30

A:

Q: Given a marginal p.m.f of x: f₁(x) = and a marginal p.m.f of y: f₂(y) = {2 X & Y are stochastically…

A:

Q: the rejection region. Give the test statistic. Give the conclusion. Group of answer choices Reject…

A: Given: Sample mean x¯1=8x¯2=9 Sample standard deviation  s1 = 2 s2  = 1.2 Sample size  n1 = 50 n2 =…

Q: [Q2] For the following joint pdf, find: (a) P(X ≥ 3.9, Y < 5.2), (b) E[X], (c) E[XY], (d) oxy. I 3.1…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Q1) There are two boxes; the first one has 5 red balls and 7 blue balls while the second box has 3…

A:

Q: In a random sample of 200 graduating high school students, 120 have plans of enrolling in…

A: Solution-: Given: n=200,x=120,P0=0.65,α=0.05 We want to test is the principal's claim that the…

Q: What are the values for SS and variance for the following sample of n = 4 scores? Scores: 1, 3, 0, 4…

A: Given sampleof n = 4 scores Scores: 1, 3, 0, 4

Q: In physiology, an objective measure of aerobic fitness is how efficiently the body can absorb and…

A: Given information: 2-sample test for equality of proportions with continuity correction data:…

Q: Find the 5 number summary for the 12 data values shown in the table below. Use the…

A: Given data is 7,22,34,42,43,48,58,64,69,79,93,95Arrange the data in ascending…

Q: QUESTION 7 Select the CORRECT statements. It is usually a good idea to have less than 4 classes in a…

A:

Q: he data in Table 1 are a sample of cholesterol levels taken from 24 hospital employees who were on a…

A: Dear student,  If you find this solution helpful please upvote ? it. As you don't provide part 1-4…

Q: level. a. Complete the rest of the table by filling in the expected frequencies: Frequencies of…

A:

Q: 4D. Articles are mass-produced to a specified width of 0-15 cm. In order to check that the…

A:

Q: Suppose the true relationship of Y and X, Z is given by 1. Yi = B1Xi + B2Zi + ei under classical…

A:

Q: PROBLEM SET NUMBER 5: Measure of Position for Ungrouped Data. Consider the following data set below.…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: According to a report done by S & J Power, the mean lifetime of the light bulbs it manufactures is…

A: Population mean (µ) = 48Standard deviations (σ) = 6Sample size (n) = 22Sample mean (x̅) =…

Q: The table summarizes results from 976 pedestrian deaths that were caused by automobile accidents.…

A: Given Total =976

Q: The distribution of average hours of sleep per weeknight among college students is found to be…

A: Given Mean=6.5 Standard deviations=1.2

Q: Dose the correct answer below. A. N(4,0²) B. P(Z <1) C. H D. 0²

A: Given Let X denote a normally distributed random variable: X ~ N(µ,sigma²).

Q: Ophthalmology Table 2 comes from a paper giving the distribution of astigmatism in 1033 young men…

A: Arithmetic mean is given by,  x̄= ΣfiXi/Σfi Xi's are the mid values. Xi fi 0.45 458 1.45 268…