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1. (a) Discuss the merits and Imitations of representing statistical data through graphs and diagrams. How do you represent data by means of a pie diagram?
(b) Find out the role of diagrammatic presentation of data Explain briefly the different types of bar diagrams known to you .
4. (a) "Cliarts and graphs are more effective in attracting attention than any of the other methods of presenting data." Do you agree? Give reasons in support of your answer.
(b) What are the different methods of a graphical presentation of data? Explain them.
use the value of linear correlation coefficient r to find the coefficient of determination and the percentage of the
determine if the improvement is of practical significance one should. Crop researchers plant 100 plots with a new variety of corn. The average yield for these plots is x' = 130 bushels per acre
Determine the probability that the number of people who show up will exceed the capacity of the plane?
Which of the following is true regarding the two smoothing constants of the Forecast Including Trend (FIT) model (which is also called exponential smoothing with trend adjustment)?
q1. for this assignment you will be provided with 2 clinical research questions on sample size and one published
certain kinds of tumors tend to recur. the following data represent the lengths of time in months for a tumor to recur
chicken delight claims that 83 percent of its orders are delivered within 10 minutes of the time the order is placed. a
Construct a 95% confidence interval for the proportion of adults from the West who say traffic congestion is a serious problem.
europeans are increasingly upset at their leaders for making deep budget cuts to many social programs that are becoming
At 0.05 significance level, is there a difference in the mean number of defects per shift? Assume that the populations are approximately normally distributed and the variances are equal.
suppose z is from a standard normal random variablefind z0 so p-z0ltzltz0.88please show work and excel formula if
A social scientist believes that university theology professors are more conservative in political orientation than their colleagues in psychology
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