Using mean = 63.6, SD=18.8, k=2. Use Chebyshev theorem to find our exact or estimates values.

Q: Compute for the following problems stated below. Upload your computation for each problem. Express…

A: The values obtained in the analysis of sodium hydroxide  are as follows : 99.5% 99.9% 99.7% 96.9% So…

Q: Alex is running a recycling business. The weight of collected used Iron in a day is a variable, X,…

A: Solution:

Q: f. What percent of patients have more than 80 distressing/scary thoughts a day? g. Are these data…

A: The data of 20 patients is given from which it is asked to compute the percentage of patients who…

Q: A set of scores is displayed using a smooth curve , which scale of measurement was used to measure…

A: There is a set of scores is displayed using smooth curves.

Q: Use the formula to find the standard error of the distribution of differences in sample means,…

A:

Q: A population with a mean of u = 8 has EX = 40. How many scores are in the population?

A: It is given that the mean is 8 and sum of X is 40.

Q: How hard is it to reach a person by phone when doing a survey? Let p be the proportion of calls for…

A: Solution

Q: to calculate the standard error of the mean what will you need

A: Consider a random variable X, has mean µ and the standard deviation of σ.

Q: II. PROBLEM SOLVING 1) A line's length has been measured repeatedly on different occasions. The…

A: Weighted mean is the sum of the observations divided by the number of observations:…

Q: Exercises: Direction: Answer the following questions. Write your answer in a clean yellow paper.…

A: First question is based on quartile formula and 2nd question is based on z-score formula.   (1).

Q: Question A group of researchers investigating whether a certain drug for treatment of hypertension…

A: Patient numberDrop in Blood Pressure(mm Hg)Sample ASample…

Q: Fitting a straight line to a set of data yields the prediction line Yi=2+4Xi. The values of X used…

A:

Q: 2 3: If µ(x) = 100-x at death of a newborn. 8 400-x for 0≤ x ≤100 find the mean, mode and median of…

A:

Q: . If z = 0.13, what is it on an X scale?

A: here given , Suppose X~N(123,20) and Z~N(0,1) here z = 0.13. z follow standard normal distribution…

Q: A population of N = 15 scores has a mean of u = 8. One score in the population is changed from X =…

A: Given that Number of observations N = 15 Mean = μ = 8

Q: number 19 on attached photo

A: It is given that, the set of scores are 3, 2, 5, 1 and 3.

Q: Most adults have a primary care physician who serves as their regular doctor and who coordinates…

A: given data  q-1) E = 0.8 σ = 7.2 90% ci for mean, n = ?

Q: We are trying to develop a CI for the mean g-force to a driver in a front-end collision with a…

A: From the provided information,Confidence level = 98%

Q: Use the methods below to normalize the following group of data: 100, 150,200, 300, 400, 600, 1000,…

A: Given: n = 9 Formula Used: Normalization value = X-MinRange Range = Maximum value - Minimum value…

Q: George wants  to compare thr spread of quantification variable y based on categories of cateogiral…

A: George wants to compare the spread of quantification variable y based on categories of categorical…

Q: qu(16)     The flavour of juicy fruit is said to last on average for 2 mins .A consumer product…

A: Given : Data (X) 1.45 1.5 1.45 1.75 2.15 2.2 1.8 1.95 2.05 1.6 Sample…

Q: 1. Calculate the mean (plug it in each row) 2. Calculate the deviation for each score 3. Sum the…

A:

Q: The accompanying table shows eleven altitudes (in thousands of feet) and the speeds of sound (in…

A: By the given data,use R - software, we get as output:a) the correct scatter plot is option ● D.b)…

Q: In an environmental study into the wildlife in two comparable lakes, samples of small frogs were…

A: we need to perform a statistical test to compare the weights of the frogs in Lake 1 and Lake 2. We…

Q: 4. Find combined mean from the following data ¯¯¯X₁ = 210 n₁=50 X₂ = 150 n₂ =100

A:

Q: II. Approximate the mean of the given following FDT. Show your solution Classes 0-4 fx 4 5-9 10 - 14…

A: Ans- Given data Class Frequency 0 - 4 4 5 - 9 6 10 - 14 5 15 - 19 5 20 - 24 3 25 - 29…

Q: Test statistic is M1-M2 T = Se Calculation of the test statistic is, M1-M %3D 40.8-34 0.0028 %3D

A:

Q: At 2:00pm a car's speedometer reads 60mph  and at 2:10pm it reads 70mph Use the Mean Value Theorem…

A: Let us consider the function is continuous between two points and the function is differentiable.…

Q: GRC students who took a Proficiency Exam had a μ-84 and o=6 Find X such that 5% of the mean Exam…

A: GivenMean(μ)=84standard deviation(σ)=6sample size(n)=16

Q: I want to es Low many stu at I am within

A: 3) Given, Confidence level=0.92 The margin of error (E) = 0.01

Q: A reference period will decrease the reliability of a question. True False

A:

Q: Chi-square value can never be negative because a. The observed frequencies cannot be negative b.…

A: Chi-Square Test: In statistical hypothesis test, a chi-square test, or specifically Pearson's…

Q: Mean: 150 A B Median: 162 с Mode: 163 After the measurements were recorded, the team saw that the…

A:

Q: A California lake has been stocked with rainbow trout. These trout have an average length of 24…

A: Given Information: Mean μ=24 Standard deviation σ=3 Someone goes fishing and catches a trout that is…

Q: Find the mean squared (MSE) of n X(1) for estimating 0. error 2

A:

Q: Example: Rectangle land of area is measured and formed to be 800 m ± 0.12m while the width is 550m…

A: Given Length of rectangle =800m±0.12m width of rectangle=550m±0.07m Find the standard deviation of…

Q: amples of size 115 from Population 1 with mean 83 and standard deviation 14 and samples of size 90…

A: Given that    Population 1 Population 2 Sample size (n1) = 115 Sample size (n2) = 90 Mean =…