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Zinc is a trace element and it is important in wound healing, building up the immune system and DNA synthesis. The data in Table 1 represents the zinc intake (in milligrams) for a sample of 40 arthritis patients.
Table : Zinc intake (in milligrams) for arthritis patients
a) Construct a frequency distribution for the given data.
b) Calculate mean, mode and median.
c) Calculate the standard deviation of the distribution.
d) Obtain the Pearson's coefficient of skewness and comment on the shape of the distribution.
The amounts of money won by the top ten finishers in a famous car race are listed below. $1,172,246 $163,659 $440,584 $350,634 $290,596 $186,731 $145,809 $143,2
Applications of Standard Error Standard Error is used to test whether the difference between the sample statistic and the population parameter is significant or is d
rules for constructing the diagrames
This probability rule determined by the research of the two mathematicians Bienayme' and Chebyshev, explains the variability of data about its mean when the distribution of the dat
Given a certain population there are various ways in which a sample may be drawn from it. The chart below illustrates this point: Figure 1 In Judgem
Application of the chi Square Test
Systematic Random Sampling This method is generally used in such cases where a complete list of the population is available from which sample has to be selected. Under this
Read the following data on the economy of Angoia and answer/respond to the questions/instructions that follow. Unless otherwise stated, the monetary figures are in real billions o
Each section of the SAT test is supposed to be distributed normally with a mean of 500 and a standard deviation of 100. Suppose 5 students in a class took the SAT math test. They r
what are the challenges affecting population census in developing countries
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