THE FF. WERE THE RESULTS OF THE EXAMINATION CONDUCTED FOR GRADUATING STUDENTS. FIND THE VARIANCE (USE 4 DECIMAL PLACES) SCORE INTERVAL 91 - 100 81 - 90 71 - 80 61 - 70 51 - 60 41 - 50 31 - 40 21 - 30 11 - 20 f X

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A: The waiting times for patients at a local hospital are normally distributed with known population…

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A: Given that  n1 = 300 , X1 = 195 , n2 = 450 , X2 = 205

Q: QUESTION 10 Suppose the diagram of an electrical system is as given in Figure 2.10 on page 71 of the…

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A:

Q: Table 1 Audience figures in 100 000s of radio stations A and B for the last 20 quarters. Radio…

A: Given Information: Consider the given dataset: Radio Station A Radio Station B 112 98 106 101…

Q: An article in Technometrics (1999, Vol. 41, pp. 202-211) studied the capability of a gauge by…

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A: Given: Standard normal distribution With mean 0 and standard deviation 1. μ = 0 σ = 1

Q: a. Use the summation operator (Σ) to simplify the following expressions (where X and Y are…

A: Formula Used: ∑i=15Xi = X1+X2+X3+X4+X5 ∑i=1nXi = X1+X2+X3+X4+......................+Xn

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A: Given thatp = 0.3n = 13X ~Binomial(n, p) X ~ Binomial (13, 0.3)

Q: ! Required information A box contains 15 resistors. Twelve of them are labelled 5002 and the other…

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Q: Fifteen cyclists were each asked the number of miles they biked last week. Their responses are given…

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Q: Jamie has just completed her second semester in college. She earned a C in a hour course, a B in a 5…

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Q: Find the mean, median, and mode of the data set. 8,2,6,2,5,4

A: From the provided information, The data values are as follow: 8, 2, 6, 2, 5, 4 Number of…

Q: Listed below are prices in dollars for one night at different hotels in a certain region. Find the​…

A: The given prices (in dollars) of sampled hotels are: 292, 204, 294, 261, 98, 150, 161, 114

Q: = [c6, d5, e¹] Consider the bags A = [a³, b¹, c²], B = [b¹, c³, d³] and C= (CB)|? So, we want to…

A: Consider the bag as follows: A=a9, b4, c2, B=b1, c5, d8, C=c6, d5, e4 Thus, the number of elements…

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A: Given Information: Number of employees = 11 Mean is $80,000 Median is $66,000 The standard deviation…

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: You have been asked to determine if two different production processes have different  mean numbers…

A: Introduction: It is given that μ1 and μ2 are the true mean number of units produced per hour by…

Q: A starting lineup in basketball consists of two guards, two forwards, and a center. (a) A certain…

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Q: A chemist wishes to detect an impurity in a certain compound that she is making. There is a test…

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Q: c) The advertising company also looked at the two top podcasts available for download from the two…

A: Given   Station A Station B Min 140 281 Median 222 297 Max 300 331 Mean 220.6 301.1 SD…

Q: Let the sample space be S={1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. Suppose the outcomes are equally likely.…

A: The given sample space is S=1,2,3,4,5,6,7,8,9,10 and event E=2,3,6.

Q: (i) If X is a Poisson variable such that P(X=2) = 9P(X=6). Find the mean variance of X (ii) A…

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Q: Find  the probability that x is between five and 11. x~N(7,3)

A: According to the given information in this question  We need to find P(5<x<11)

Q: An article in Technometrics (1999, Vol. 41, pp. 202-211) studied the capability of a gauge by…

A: Given…

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Q: 6 8) A random sample of hotdogs of a particular brand has an average fat content of 8 grams. How…

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Q: Carol Lee's Donuts on North Main Street makes 23 kinds of donuts every morning. Your dad gives you…

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Q: 100 Q G 2500 800- regression feature of a calculator to find the best-fitting cubic function for the…

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A: Introduction: It is required to identify the confounding variable, and suggest a solution to fix it.

Q: a. Σχy, i=1 b. Σ(x)(y) C. (Σ' (Σ'

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Q: (d) p(BL | M)= (e) p(BL)= (1) p(M)= *

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Q: 6) = (x; -3) = 3 7) ≥ 2x;

A: It is given that: x1=3,   x2=5,   x3=7,   x4=2