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Random samples
a. Use a random number table (or a random number generator in a computer or calculator) to select 5 distinct random numbers between 00 and 99. Find the 5 rectangles with these numbers, using 00 to represent rectangle number 100, and mark them on the sheet. This is your random sample of five rectangles.
b. Compute the areas of these five sampled rectangles, and find the average. How does the average of the random sample compare with your guess in step 1a? How does it compare with your average for the subjective sample?
c. The instructor will collect the averages from the random samples of size 5 and construct a dot plot. How does this plot compare with the plots of the guessed values and the averages from the subjective samples in terms of center? In terms of spread?
the measurements of weight of 100 units of a product manufactured by two parallel processes have same mean but the
for a normal curve with mean 15 and standard deviation 1.5 which of the following parts of the normal curve will have
What is the probability that a randomly chosen stock investor also invests in fixed income instruments? Round your answer to 2 decimal places.
Using bar charts to compare observed frequencies between variables can be problematic when?
1. For the data of Example 1, label all possible outliers using: (a) (i) z-Score test, (ii) distribution-free test, and (iii) modi?ed z-score test.
Temperature in a certain city for the month of June follows a uniform distribution over the interval 61º F to 91º F. What is the probability that a randomly selected June day has a temperature that exceeds 70º F?
The equation of the least-squares regression line for predicting average number of offspring per female from cone index is
What are four methods of acquiring knowledge? Write a short paragraph describing the essential characteristics of each.
What is the probability that there will be at least three women in the committee?- It is desired to increase the chance that there are at least three women in the committee to 80% by doing one of the following:
The probability that a dart hits inside the circle is proportional to the ratio of the area of the circle to the area of the square. Use this fact to calculate an approximation to Π and print the result.
If the process is in control at the present values of its parameters, what proportion of the output will be nonconforming, assuming a normal distribution of the characteristic?
On the other hand to what extent was he himself shaped by his supporters, his critics and broad shift in America society. How did the Southern Christian leadership conference (SCLC) change along with kings philosophy?
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