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I have 18 question that needs answer. i do not have a scan,
I need the following questions answered by 10/1/2011 at 8pm EST. Researchers are conducting a state wide survey for the U.S. postal service. the survey records many different variables of intrest. whi… read more
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CLASS PSY 315 Do all data have a mean, median, or mode
CLASS PSY 315 Do all data have a mean, median, or mode? Explain why or why not. When is the mean the best measure of central tendency? When is the median the best measure of central tendency? What is … read more
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Match the letter of the definition on the right to the appropriate
Match the letter of the definition on the right to the appropriate symbol on the left. Symbols Definitions 1. S (Uppercase Sigma) a. Population size 2. m (Mu) b. Summation 3. s (Lowercase Sigma) c. Fa… read more
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To JUDYBAILEY52 ONLY I have uploaded screenshots of these
To JUDYBAILEY52 ONLY: I have uploaded screenshots of these problems that must be posted before Sunday midnight. Here is the link on mediafire … read more
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Definitions 1. The average of the squared deviation scores
Definitions 1. The average of the squared deviation scores from a distribution mean. ____ 2. Midpoint in the distribution of numbers. ____ 3. It has to do with the accuracy and precision of a measurem… read more
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For a particular sample of 50 scores on a psychology exam,
For a particular sample of 50 scores on a psychology exam, the following results were obtained. First quartile = 42 Third quartile = 74 Standard deviation = 8 Range = 56 Mean = 58 Median = 57 Mode = 6… read more
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1. You are given the following frequency distribution for the
1. You are given the following frequency distribution for the number of errors that students made in a test Errors Frequency 0-2 11 3-5 18 6-8 13 9-11 7 12-14 19 Find the mean, variance, and standard … read more
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(1.) Starting with the data values 70 and 100, add three data
(1.) Starting with the data values 70 and 100, add three data values to the sample so that the mean is 87, the median is 88, and the mode is 88. (2.) A class of 15 kindergarteners had the following we… read more
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1. The mean, median, and mode are the most common measures
1. The mean, median, and mode are the most common measures of dispersion (spread). _____(T/F) 2. Each set of data has four quartiles; they divide the ranked data into four equal quarters. _____ (T/F) … read more
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1. When a distribution is bell-shaped, approximately what ...
1. When a distribution is bell-shaped, approximately what percentage of data values will fall within one standard deviation of the mean? A. 50% B 95% C. 68% D. 99.7% 2. What is the relationship betwee… read more
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1. Indicate which would be the independent variable and
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1. for which of the following situations is it appropriate ...
1. for which of the following situations is it appropriate to use a scatter diagram or scatter plot? a) presenting two qualitative variables b) presenting one qualitative and one quantitative variable… read more
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9. The only measure of central tendency that can be found
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define the following terms and give examples of those terms ...
define the following terms and give examples of those terms marked by asterisks. a)mean* b)median* c)mode* d)range* e)standard deviation* f)variance g)percentile* h)standard score* i)symmetrical distr… read more
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14 b) Use the Empirical Rule to find what 2 values 95% of ...
14 b) Use the Empirical Rule to find what 2 values 95% of the data will fall between for a data set with mean 234 and standard deviation of 12. 15. Find P25(the 25 is smaller than the P) for the follo… read more
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true or false1.The mean, median, and mode are the most
true or false 1.The mean, median, and mode are the most common meaures of dispersion (spread). 2. Each set of data has four quartiles; they divide the ranked data into 4 equal quarters. 3. The standar… read more
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3. For a particular sample of 50 scores on a psychology ...
3. For a particular sample of 50 scores on a psychology exam, the following results were obtained. a) Mean = 78 Midrange=72 Third quartile=94 Mode=84, b) Median=80Standard deviation=11 Range=52 First … read more
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Find each of these for Side One and for Side Two a.
Find each of these for Side One and for Side Two a. Mean b. Median c. Mode d. Midrange e. Range f. Variance g. Standard Deviation Side One 108, 75, 5382, 2300,166,42804,29389,926 100,171,290,687,4244.… read more
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