A random sample of 100 male students is drawn from a particular class. The mean and standard deviation of heights of all male students in the college are 70 inches and 2 inches respectively. Calculate the standard deviation of the sample mean.

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Q: survey of 100 students at New England College showed the following: 47 take English. 49 take history...

A: From venn diagram, It can be solved easily. N= 100

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A: β1 is the slope in a regression model.

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A: Given that  n=8 , p=45%=0.45 , q=1-p=1-0.45=0.55 X~Binomial(n=8 , p=0.45) X=Number of baby boys p=Pr...

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A: Just write the concept.

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A: Given,mean(μ)=67.8standard deviation(σ)=4

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A: find the regression of X on y and Y on X ...........

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A: In the given problem we have given that, a conference is attended by 10 social workers and 4 auditor...

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Q: The amount of money raised by Clayton State teams for the Statistics Games is normally distributed, ...

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A: Solution

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Q: The claim is that smokers have a mean cotinine level greater than the level of 2.84 ng/ mL found for...

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A: Given,Coefficient of variation(CV)=6.5and sample average(x¯)=85.6

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A: We have to explain  Examples of Application of Statistics in Enginnering problem :     

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Q: Do you find any association between the temperaments of brothers and sisters from the following data...

A: Here 2*2 table will be construct : r= 2 We will calculate C max Than we will compare coefficient of ...

Q: Directions: Identify the variables if it can be regarded as a response variable and if it can be use...

A: Response variables: whose values depend on other variables. They are also called dependent variables...

Q: Directions: Identify the variables if it can be regarded as a response variable and if it can be use...

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Q: According to a study done by De Anza students, the height for Asian adult males is normally distribu...

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Q: a random sample of data from a local computer shop. The analyst collected information from 7 randoml...

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A: Calculation of Bins Minimum value=12.60 . We take it as 12. Maximum value=47.64. We take it as 48. R...

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A: Introduction: An incomplete joint probability distribution table is given.

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A: Solution-: Which of the following study designs is most efficient in studying a rare exposure?(A) Ca...

Q: Do you find any association between the temperaments of brothers and sisters from the following data...

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Q: The probability that a student passes Math is 2/3, and the probability that he passes English is 4/9...

A: Let M=a student passes MathE=a student passes EnglishP(M)=23P(E)=49P(M∪E)=45

Q: Find the area under the standard normal curve based on the following conditions. Prompts Submitted A...

A: We have given that.   X~N( 0 , 1 )   μ=0 , ? =1   Z-score =( x - μ )/?

Q: What claim can you make based on this test? F(2, 38) = 18.75, p < .001, η2 = .48

A: Given  F(2, 38) = 18.75, p &lt; .001, η2 = .48

Q: Data literacy

A: Meaning of Data Literacy: Data literacy is the ability to read, work with, analyze and communicate w...

Q: Suppose you are interested in seeing whether the total number of days students are absent from high ...

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Q: b. Compute the median waiting time. Answer in exact fraction, or rounded to at least 4 decimal place...

A: Class Frequency 0 - 20 25 20 - 40 72 40 - 60 13 60 - 80 a 80 - 100 8 100 - 120 5   ...