distribution for the problem of random wa considering N = 20 and interpret the resul p = q = 1/2
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- A sample of 3 measurements are taken and recorded: a =8, y = 10 and z = 7 The sample mean is: x = = 8.33 Fill in the table below. aj (a; - x)2 Ex: 5.34 Ex: 5.34 Ex: 5.34 82 = (z-z)*+(y-a)* +(z-z) Ex: 5.34 (z-2)*+(y-z)* +(z-) = Ex: 5.34Question For random samples of size n1 = 7 and n2 = 13, from two normal populations with equal variances, determine parameters a and 3 such that >) = uAn, <) = 00. 0.05,Module 5: Ihd Use the table of values and the expected frequencies to calculate the residual values and the chi square test statistic X XYZ A 34 44 22 B 19 53 32 Expected Frequencies A 25.98 47.549 26.471 B 27.02 49.451 27.529 Residual Values (Row i and column j) Chi Square Test Statistic (0.,, – E. ) E (0 – E) x =E E Round all values to 3 decimal places Y B The Chi Square Test Statistic x =
- IH a lårge population of fish, the proportion of angel fish is Let P be the random variable that represents the sample proportion of angel fish for samples of size n drawn from the population. Find the smallest integer value of n such that the standard deviation of P is less than or equal to 100Mean =1016 sample size =35 standard dev=205 normal distribution what is the distribution of x and x not? what is probability. Of 1 random sample is less then 1012 Find probability average less then 1012 is the assumption of normal distribution necessaryPaired t-test used to compare the means of a single group at 2 points in time and need normal distribution of the variable True O False O
- Random samples of 1000 from a population with proportion 0.65 what is the standard errorSample size n=25, a normal distribution with a mean of u=100. Standard divination=25 find the range of sample means what defines the middle 95% of the distribution of sample means and find the range of sample means that defines the middle 99% of the distribution of sample meansThe standard error of the mean is best defined as the
