Why should you not use a frequency polygon if you have nominal data? What would be better to use to display nominal data?
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Why should you not use a frequency polygon if you have nominal data?
What would be better to use to display nominal data?
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- 5. Construct the frequency distribution for the data. For calculating the cell width assume 7 cells, the lower limit of 25.35 inches and upper limit of 25.42 inches. Round your answers for interval boundaries to three decimal places and round your answers for frequencies to the nearest whole number. Cell From To (inclusive) Frequency 09 25.360 X 1 7 2 3 456 10 a 8 9 10 10 K1.) In cell C19, insert a formula that will calculate the projected advertising spending after the forecasted increase in cell A18 is added to the 2019 total. Ensure that the reference to cell A18 is an absolute cell reference. ^What is the Formula? 2.) Copy the formula and formatting in cell C19 to the range D19:F19Which of the following graphical presentations is not appropriate for numerical data? histogram pie chart time-series plot scatter plot
- Measurement data have a high (a) accuracy (b) repeatability (c) reproducibility when the variation of measurements between operators is small.When might a researcher wish to randomize both question order and the order of responses? Provide an example.4.1 TYPES OF RANDOM VARIABLES. Which of the following describe continuous random variables? Which describe discrete random variables? The number of newspapers sold by the New York Times each month The amount of ink used in printing a Sunday edition of the New York Times The actual number of ounces in a 1-gallon bottle of laundry detergent The number of defective parts in a shipment of nuts and bolts The number of people collecting unemployment insurance each month
- For unbalanced data, select the performance measure that is not recommended to use. Group of answer choices Accuracy ROC Curve AUC Sensitivity4. ABC Dog Food Company located in Ottawa sells large bags of dog food to warehouse clubs. ABC uses an automatic filling process to fill the bags. Weights of the filled bags are approximately normally distributed with a mean of 50 kilograms and a standard deviation of 1.25 kilograms. (a) What is the probability that a filled bag will weigh less than 49.5 kilograms? (b) What is the probability that a randomly sampled filled bag will weigh between 48.5 and 51 kilograms? (c) What is the minimum weight a bag of dog food could be and remain in the top 15% of all bags filled? (d) ABC is unable to adjust the mean of the filling process. However, it is able to adjust the standard deviation of the filling process. What would the standard deviation need to be so that 2% of all filled bags weigh more than 52 kilograms?1.The reported unemployment is 5.5% of the population. What measurement scale is used to measure unemployment? Interval Nominal Ordinal Ratio 2.Which one of the following is NOT an example of discrete data? Number of employees reporting in sick Number of households watching the Home Shopping Network Number of miles between New York City and Chicago Number of members of the Denver Lions Club