Comment on the strengths and weaknesses of using a frequency

Get college assignment help at Smashing Essays Question Comment on the strengths and weaknesses of using a frequency histogram vs a box plot to model the data. For what situations might a histogram be appropriate? For what situations might a boxplot be appropriate?

Probability and GeometryPlease help me solve this questionAnswer 1 must

Question Probability and GeometryPlease help me solve this questionAnswer 1 must be in mathematical notation while answer 2 must be numerical ATTACHMENT PREVIEW Download attachment Probability and Geometry.PNG

Suppose we want to choose 5 colors, without replacement, from

Question Suppose we want to choose 5 colors, without replacement, from 18 distinct colors. />(a)How many ways can this be done, if the order of the choices is taken into consideration? (b)How many ways can this be done, if the order of the choices is not taken into consideration?

Gaussian Random VariablePlease help me with these problem question src=”/qa/attachment/9196577/”

Question Gaussian Random VariablePlease help me with these problem question src=”/qa/attachment/9196577/” alt=”Gaussian Random Variables.PNG” /> ATTACHMENT PREVIEW Download attachment Gaussian Random Variables.PNG

Answer the questions below and assist with select one of

Question Answer the questions below and assist with select one of the three for each: (a) The 9 members of a fraternity have the following test scores:       119, 121, 123, 126, 127, 128, 129, 130131. Which measure should be used to summarize the data? a. Meanb. Medianc. Mode(b) Chau wants to determine which letter appears the most often in his favorite poem. Which measure should he use? a.Meanb.Medianc. Mode(c) A bakery sells 9 types of sandwiches. Here are their calorie amounts:           , 278, 560, 585, 606, 615, 622, 623, 629635. Which measure should be used to summarize the data? a.Meanb. Medianc. Mode

Can you help me draw the tree diagram and association

Question Can you help me draw the tree diagram and association calculations please.A firm has two photocopying machines. The old one is available for use 80% ofthe time and the new one 90% of the time. The machine availabilities areindependent of one another.a. Construct a tree diagram to display the above information.b. Determine the probability that at a randomly selected time:i. both machines are available, ii neither machine is availableiii. exactly one machine is available, iv. at least one machine is available

src=”/qa/attachment/9197858/” alt=”4.PNG” />Hi I made practice problems for an upcoming

Question src=”/qa/attachment/9197858/” alt=”4.PNG” />Hi I made practice problems for an upcoming stat quiz that will have similar problems. Can someone help me solve these so I can ensure I know how to do problems like these for future reference. Attachment 1 Attachment 2 Attachment 3 Attachment 4 Attachment 5 Attachment 6 ATTACHMENT PREVIEW Download attachment 1.PNG ATTACHMENT PREVIEW Download attachment 2.PNG ATTACHMENT PREVIEW Download attachment 3.png Question 3 In a large city’s recent mayoral election, 131,506 out of 309,153 registered voters actually turned out to vote. If 20 registered voters are randomly selected, find the probability that 7 of them voted in the mayoral election. Use a Tl-83, Tl-83 plus, or TI-84 calculator to find the probability. – Round your answer to three decimal places. Provide your answer below: Cl ATTACHMENT PREVIEW Download attachment 4.PNG ATTACHMENT PREVIEW Download attachment 7.PNG ATTACHMENT PREVIEW Download attachment 8.PNG

Answer the questions below and chose the best one for

Question Answer the questions below and chose the best one for each: (a) The following number of people attended the last 10 screenings of a movie:           , 195, 197, 199, 201, 203, 204, 207, 208, 209210. Which measure should be used to summarize the data? a.Meanb.Medianc.Mode(b) In a survey, 9 people reported how many soft drinks they drank in the last month. Here are their responses:           , 28, 29, 31, 33, 35, 37, 38, 3986. Which measure should be used to summarize the data? a.Meanb.Medianc.Mode(c) A data set shows the age of each resident at Lakeview Retirement Home. Which measure gives the age shared by the most residents? a. Meanb. Medianc. Mode

For this regression output, that was created via excel, how

Question For this regression output, that was created via excel, how do I right the regression equation? /> SUMMARY OUTPUT Regression Statistics Multiple R 0.706539419 R Square 0.499197951 Adjusted R Square 0.495945989 Standard Error 9677.578664 Observations 156 ANOVA   df SS MS F Significance F Regression 1 14376753862 14376753862 153.5067 6.76E-25 Residual 154 14422951436 93655528.8 Total 155 28799705298         Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0% Intercept 126624.8913 8070.099771 15.69062278 9.45E-34 110682.5 142567.3 110682.5 142567.3 Baltimore Price -34955.59942 2821.324533 -12.38978324 6.76E-25 -40529.1 -29382.1 -40529.1 -29382.1

Please help me with this question. ATTACHMENT PREVIEW Download attachment

Question Please help me with this question. ATTACHMENT PREVIEW Download attachment Integer and fractional parts of uniform random variable.PNG

In doing a regression test for a city where you

Get college assignment help at Smashing Essays Question In doing a regression test for a city where you have sales volume and sales price, for each week of a given year, which one should be the X  versus the Y columns for regression testing?

When constructing a confidence interval using the percentile method, 95%

Question When constructing a confidence interval using the percentile method, 95% of means in our bootstrap distribution will be between the lower bound and the upper bound of a confidence interval.This implies that there are 2.5% of the sample means less than the lower bound and 2.5% of the sample means that are greater than the upper bound.Therefore, the lower bound will be at the 2.5th percentile and the upper bound at the 97.5th percentile.Recall, the lower bound is at the 2.5th percentile. How would you write 2.5% as a proportion?

Mixed Bayes Rule!Correction in the rule!Don’t know how to approach

Question Mixed Bayes Rule!Correction in the rule!Don’t know how to approach this question! ATTACHMENT PREVIEW Download attachment Mixed Bayes Rule.PNG

You measure 47 textbooks and find they have a mean

Question You measure 47 textbooks and find they have a mean weight of 50 ounces. Assume the population stadard deviation is 10.4 ounces. Based on this, construct a 90% confidence interval for the true population mean textbook weightGive your answer as decimals, to 2 places

In a recent poll, 560 people were asked if they

Question In a recent poll, 560 people were asked if they liked dogs, and 8% said they did. Find the margin of error of this poll, at the 99% confidence level. Give your answer to three decimals

If n=560 and ˆp (p-hat) = 0.16, construct a 95%

Question If n=560 and ˆp (p-hat) = 0.16, construct a 95% confidence interval. Give your answers to three decimal

give the null and alternative hypothesis for the following questions

Question give the null and alternative hypothesis for the following questions and state if they are to be one tailed or two tailed test:a. Is the birth rate in the years from 20100 till 2012 less than the birth rate from 1960 till 1965?b. are the average test scores in my morning class of math 103 the same at my night class of math 103?c.are there more bacteria in the average culture of streptococcus left for 12 hours than in the average culture of e.coli left for 12 hours?

A sample of 500 athletes is taken from a population

Question A sample of 500 athletes is taken from a population of 11,000 Olympic athletes to measure work ethic. As a result, we ______.A. can predict an outcome with some level of certaintyB. can make consistent inferences each time work ethic is the outcomeC. can predict an outcome with a larger fraction of the populationD. can predict an outcome but without any degree of certainty

Color Sum of yards CountBlack 19,762.00 23 Blue 8,127.00 20

Question Color Sum of yards CountBlack                              19,762.00 23 Blue                                8,127.00 20 Brown                                8,027.00 13 Green                                6,533.00 12 Purple                                7,243.00 12 Red                                5,194.00 10 White                              17,649.00 26 Yellow                                7,229.00 14 8 colors*Primary Colors consists of the sum of Blue, Red, and Yellow yarn sold                                            20,550.00 Tertiary Colors consists of the sum of Brown, Green, and Purple Colors Sold.                                          21,803.00 Find the Expected values for each of the colors. Saeko expects that the colors sell in equal amounts.A Color Type B Sum of Yards Black 19762 White 17649 Primary Colors 20550 Tertiary Colors 21803 Total 9970.5 ? =(79764/8)( is this the correct formula)? Subtract the Expected values from the observed values Color Type Sum of Yards Black 9791.5 (formula I used =(19762-9970.5) 9791.5(Is this correct? or is it 9970.5-19762)White 7678.5 Primary Colors 10579.5 Tertiary Colors 11832.5 Square the values just found Color Type Sum of Yards Black 98.95200857 I used SQRT=9791.5 Formula- is this correct?White 87.62705062 Primary Colors 102.8566964 Tertiary Colors 108.7772954 Divide each square by the expected value and add together Color Type Sum of Yards Black   White   Primary Colors   Tertiary Colors   Total   This total is your Chi Square test statistic   What is the level of significance? 0.10 What is the Chi Square test statistic?     What is the Chi Square critical Value?  = What is your answer to Saeko?

With 90 % confidence, for sample mean 319.00, sample standard

Question With 90 % confidence, for sample mean 319.00, sample standard deviation 13.80, and sample size 35, what is the upper confidence limit with 2 decimal places?

Suppose that it is known that 1% of women in

Question Suppose that it is known that 1% of women in a test group are pregnant. A self- administered pregnancy test detects 85% of those who are pregnant but does not detect pregnancy 15% of the time. It is 90% accurate in indicating women who are not pregnant but indicates 10% of this group as being pregnant. If a women is chosen at random from the test group, and if the test indicates she is pregnant, what is the probability that she really is pregnant?

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