10. Is the data point, P, an outlier, an influential point, both, or neither?126.12Influential pointBothO NeitherOutlierDescription

Answered: 10. Is the data point, P, an outlier,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use the IQR to determine if any of the data in the data set are outliers. {23,80,43,23,0,20,23,23,20,28}{23,80,43,23,0,20,23,23,20,28} Any data value less than Answer or greater than Answer are outliers.
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The five number summary of a dataset was found to be: 46, 52, 59, 62, 67 An observation is considered an outlier if it is below: An observation is considered an outlier if it is above
37. The mean score for a set of data is marked by the dotted line on the following graph. Which value is a likely z-score for the indicated value? Choose from a.-2.1, b. 0, or c. 2.7. Z= ? X
Please do not give solution in image formate thanku. A school psychologist wants to determine if reprimanding in public (in front of the class) or private is more effective for curbing behavior. He randomly selects 12 students whose teachers reprimand in private and 12 students whose teachers reprimand in public. At the end of the year he determines the number of misbehaviors for each student. For the public condition and mean=7.7 and s=4.1 for the private condition mean=4.2 and s=3.5. Which method is more effective? What is the percentage of variance accounted for by the method of reprimand? What is the power of your test?
Explain your answers please
The five number summary of a dataset was found to be: 0, 2, 12, 15, 20 An observation is considered an outlier if it is below: An observation is considered an outlier if it is above:
12.50, 17.30, 15.20, 14.10. Determine the point estimate of the population mean.
Use the data to identify any outliers.
The five number summary of a dataset was found to be: 1, 6, 11, 13, 20 An observation is considered an outlier if it is below: An observation is considered an outlier if it is above:
Use the table to answer the question. Has a Cell Phone Does Not Have a Cell Phone Totals Has a Computer 44 176 220 Does Not Have a Computer 26 104 130 Totals 70 280 350 The table above gives a summary of survey data asking respondents if they owned a computer or a cell phone. Is there an association between owning a computer and owning a cell phone? Explain, rounding your answer to the nearest whole percent as necessary. There is an association since the conditional relative frequencies of owning a cell phone are 20% for those who own computers and those who do not. There is not an association since the conditional relative frequencies of owning a cell phone are 20% for those who own computers and those who do not. There is not an association since the conditional relative frequency of owning a cell phone is 63% for those who own computers and 37% for those who do not. There is an association since the conditional relative frequency of…
Using the information in the screenshot, can you please determine if there is any outliers and why?

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10. Is the data point, P, an outlier, an influential point, both, or neither? 12 6. 12 Influential point Both O Neither Outlier Description