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Is there an alternative test to the chi squared test? What if my results give an expected frequency below 5, which stats book states that these should be treated with caution? Is there a more appropriate stat test which would be more accurate in working out the significance of the results?
Make an Excel line graph of the data on computer viruses. Discuss the underlying causes that might explain the trend or pattern.
A cereal manufacturer seeks to test their newest product against competitor's. A group of 100 children was asked to measure each brand, and then to express a preference.
Students will conduct one brief research exercise that will be written up as a research report using APA style.
Findout the consumption level separating the bottom 45% to the top 55%. The September energy consumption levels for single family homes are found to the normally distributed with a mean
Dana and Cathy are playing tennis. The probability that Dana wins at least one out of two ames is 0.3. What is the probability that Dana wins at least one out of four?
The hypotheses for this scenario are as follows: Null Hypothesis: μ ≤ 21.61, Alternative Hypothesis: μ > 21.61. You perform a one sample mean hypothesis test on a random sample of data and observe a p-value of 0.0095. What is the appropriate concl..
Determine whether the difference in proportions is significant at the 0.05 level.
What are the advantages of ANOVA over the mean test and what are the disadvantages? Where would I use this in my everyday life?
Define irregular component in time series and explain the differences between other components as well as its effects.
A large internet retailer, is studying the lead time (elapsed time between when an order is placed and when it is filled) for a sample of recent orders. The lead times are reported in days.
Critically discuss how someone may use measures of central tendency, variation, or position in their home, school, or workplace.
What is the net income of SouthCo if unit sales are twice the break-even point for a given month?
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