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Hour Measurement in inches
1 3.010
2 3.005
3 2.990
4 3.010
5 2.995
6 2.990
7 3.000
8 2.990
9 3.010
10 3.005
11 2.995
12 2.995
13 3.010
14 3.000
15 2.990
16 2.995
17 3.010
18 3.000
-Do the above values appear to be in statistical control, justify your answer?
There're several measures of central tendency. By far the most frequently utilized of these measures is mean of population. Remember that the source of the data that you want to analyze always comes from what is called a population.
Perform the chi-square test for a uniform distribution. At α = . 01, does this sample contradict the assumption that readership is uniformly distributed?
Computing the probability values using normal distribution - The data set has a bell-shaped distribution. Between what two prices do 68% of the houses lie?
Subcontracting can handle a maximum of 10 units per month. Beginning inventory is zero. Develop a plan that minimizes total cost. No back orders are allowed.
Choose the correct conclusion regarding the claim that the weights of statistics text vary more than the weights of text in general.
The new study is going to use the confidence level of 90%. The estimator or appreciative must be in 1% of the population proportion. Which is the necessary size of the sample?
The one-sample t statistic has the value t = -1.68. What do we know about the P -value of this test?
Determine expected cell counts if null hypothesis is true and show them in a two-way table. Determine the chi-square() statistic?
how many individuals will I need to sample if I want a 95% margin of error to be no more than 3%, I want to know if the results are significant at = 10%. With the information given.
Compute a seasonalized or adjusted sales forecast.
What is the numerical value of the sample proportion p^ ? The P-value is the probability of what event?
Scatter plot, Correlation coefficient and Regression equation - Do a complete regression analysis by performing the steps below
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