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Survey on marital status to determine whether the data is qualitative or quantitative a. In completing a survey, subjects used the following numbers to indicate marital status
1 = Single (never married)2 = Married3 = Divorced4 = WidowedIs this data qualitative or quantitative? Describe
b. examine the difference between a variable and a parameter. Contain an illustration.
What is the probability that at least one of the new books is a commercial success?
Probability based on normal distribution. Suppose among X has a normal distribution, and find the indicated probability.
Dinner B which costs $135.30 for dinner submitted by salesperson with mean cost of $117.50 and standard deviation of $30 per dinner?
Criterion of realism or Hurwitz. Assume that the payoff from an investment depends on market conditions. Illustrate what is the criterion of realism value.
Using the data file below, construct a histogram and a frequency polygon. Describe the shape of this distribution.
Genetics of peas. According to genetic theory, the blossom colour in the second generation of the certain cross of sweet peas should be red or white in a 3:1 ratio. That is, each plant has probability 3/4 of having red blossoms, and the blossom co..
What is your conclusion? Are the two variables independent?
In the real world, given null hypothesis is false; but the collected data lead to the null hypothesis being accepted. That is, the data lead to a failure to reject null hypothesis.
Assume that the smiling time of eight-week old babies, in seconds, follows a uniform distribution between 0 and 23 seconds, inclusive. This means that any smiling time from 0 to and including 23 seconds is equally likely.
95% of breaking strengths will be contained between what two values symmetrically distributed around mean?
Describe the data appear the strength of the relationship among variables is sufficient to warrant using linear regression forecasting.
We are interested in testing to find out whether the variance of the population is vitally more than 0.003
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