7.4 -16 Na,4), NC2,a) pumbility sample With Size lo P[sts cs;]=0.05 what is o?
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A: Given that : mean = 50 Variance (x) = 100 Standard deviation =√ variance (x) Sigma = 10 X = 55
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- (8)(1)A random sample X,, X,., X, of size n is obtained from a normal distribution with mean, µ and variance, 100. We are interested to test H, :u = 120 against H, :µ=124. a) Show that the best critical region for the given test is X 2C.Suppose a carpenter's ruler was marked in thirty-seconds. What would be the fraction and its decimal equivalent for the mark on the ruler halfway between one eighth and two eighths? Question content area bottom Part 1 The fraction is enter your response here and the decimal is enter your response here. (Simplify your answers.)
- Given a normal distribution with mean = 30 and standard deviation = 6, find standardized value for X=39. 39 - (Ortalaması 30 standart sapması 6 olan bir dağılım için X=39'un standartlaştırılmış karşılığı nedir?) A) 1 B) 0.5 C) 9 D) 15 O E) 1.51.)Find the z-score corresponding to the given area of the normal curve with the following given values: a.) Area to the right of -z is .6736 b.) Area to the left of z is .75189. Assume that the content of 15-litres container is normally distributed. To test Ho: µ = 15.2 against H, : µ> 15.2, we take a random sample of size n = 25 and observe that = 15.6 litres and s = 0.5 litre. (Use 0.01 level of significance) a) Perform the testing by using test statistic.
- The sum of 8 values is (21 X;) 234 and the sum of the squares of the observations is (2=1 xí) 7682 so what is the variance of these population (N=8). O A) 9.17 O B) 104,7 OC) 84.125 O D) 119,6429 OE) 119,62. Given the following table for one way ANCOVA (3 TRTS with 5 observation each). Source SS df MS F TRT 205 155 Error 365 -- Total -- a. Complete the table b. Test for treatment effect. Use Alpha=.05It is desired to compare the measurement results of the same machine in 3 different shifts for 30 days. What is the measurement format of the variable to be compared? 20 - O a) Nice discrete data O B) Continuous qualitative data O NS) Continuous quantitative data O D) Classifiable data O TO) Discrete qualitative data
- Assume that the helium porosity (in percentage) of coal sample taken from any particular sean is normally distributed with a true standard deviation of 0.77 how large a sample size is necessary if the width of the 95% internal is to by 0.348 A) 75 B) 76 C) 80 D) 792) Math 211 5.1 Practice Problems Name_Emily Meeks MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response. 1) Find the area of the indicated region under the standard normal curve. A) 0.0823 C) 0.4032 D) 0.9032 2) Find the area of the indicated region under the standard normal curve. 0 0ɛ'- A) 0.9032 B) 0.0823 C) 0.0968 D) 0.9177 3) Find the area of the indicated region under the standard normal curve. 3) 2.11 A) 0.3438 B) 0.6562 C) 0.309 D) 1.309 4) Find the area of the indicated region under the standard normal curve. -1.13 0 2.03 A) 0.1292 B) 0.1504 C) 0.8489 D) 0.0212 eber = EelA set of n = 5 pairs of X and Y scores has SSX = 18, SSY = 8, ∑X=5, ∑Y=15, SSCP = 3. What is the Pearson Product Moment correlation for these scores? answers: a) 18/12 = 1.50 b) 18/144 = .125 c) 3/12 = .25 d) 3/144 = .21