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Explain what central tendency and variability are. In your answer define what the mean, median, mode, variance, and standard deviation are. What is the difference between the descriptive standard deviation and the unbiased estimate of the standard deviation? When would you use the unbiased estimate?
Central tendency is to describe where the data are and variability is how spread out the data are... Variability tells on how constant the score are. The mean is the sum of all the values in a group divided by the number of the values in that group. The median is the average but of a different kind, the median in the midpoint in a set of scores, it is the half way point which is 50% the mode is the last measure of central tendency it is the precise measure of the central tendency. Variances is used as a measure of how far a set of numbers are spread out from each other and the Standard deviation represents the average amount of variability in a set of scores. The standard deviation is the square root of the variance.
Armitage-Dollmodel The model of carcinogenesis in which the basic idea is that the essential variable determining the change in the risk is not age, but time period. The model
Following is the trend equation for a time series data on a monthly basis for years 2007 to 2009: Y=2.375+0.895X. Find Y for 2nd quarter of 2010.
Consider the given below. T _ tall is dominant to dwarf (tt). Y _ yellow seed is dominant to green seed (yy). P _ purple flower is dominant to white flower (pp). If plants wi
A toothpaste company wants to know if its new products increases the length of time in between dentists visits for its uses. The company sets a target of 180 days to determine if i
During October, Alcorn Company had 81,250 of cash receipts and 83,688.00 of cash disbursements. The October 31 cash balance was 14,060. Determine how much cash the company had at
Can you do my accounting assignment?
what is dispersion
Accounting Standards in Europe countries: Europe has seen the maximum progress in having developed its accounting standards. In 2000, a document was published by the Europe
Find the number of different ways in which the 9 letters of the word GREENGAGE can be arranged if exactly two Gs are next to each other?
Ask quwhat is itestion #Minimum 100 words accepted#
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