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a. Find the number of classes that should be used to construct a frequency distribution and histogram for the bottle design ratings.
b. If we round up to the nearest whole rating point, show that we should employ a class length equal to 3.
c. Define the nonoverlapping classes for a frequency distribution.
d. Tally the number of ratings in each class and develop a frequency distribution.
e. Draw the frequency histogram for the ratings data, and describe the distribution shape.
A worker at Disneyworld in Orlando is assigned the task of getting 100 guests to complete a survey about their experience at the park. Suppose each individual guest that the worker asks will agree to complete the survey with a probability of 0..
Advise you about the variables to remove to make factor analysis possible - Factor analysis needs
Construct a 95% confidence interval for the mean number of hours the batteries will last on these players - Determine the test statistic and determine the P-value
Define the hypothesis and find the standard error of the difference in the means also find the test statistic - Determine the required sample size to be able to use a 99% confidence interval.
Discussion you will take the first steps towards applying Statistics to real-life situations. Consider subjects you are interested in, hobbies you partake. You can also think about topics that you are curious about.
Describe where the satisfaction ratings seem to be concentrated. Describe and interpret the shape of the distribution of ratings. Write out the eight classes used to construct this histogram.
The following table gives the data for per capita income in thousands of US dollars with the percentage of the labor force in Agriculture and the average years of schooling of the population over 25 years of age for 15 developed countries in 20..
question 1a busy landscaping supplies company sells wood chips for garden mulch. the mulch is sold by the cubic metre
State the null hypothesis for the non-oil-dependent/oil-dependent comparison. Calculate the difference between the means of the democracy scale for non-oil-dependent and oil-dependent countries, Calculate the standard error of the difference. Calcula..
If a person bought 1 share of Google stock within the last year, what is the probability that the stock on that day closed within $45 of the mean for that year?
Quantitative Business Analysis - Find Correlation, simple linear, and Multiple Regression Analysis
Convert the rectangular coordinate (-8,i (square root of 3) into polar coordinates.
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