A school psychologist is interested in whether or not teachers affect the anxiety scores among students taking the Statistics exam. The data below are the standardized anxiety test scores for students with the three different teachers. Teacher’s Name Ms. San Pedro Ms. San Juan Ms. San Jose 8 23 22 10 14 18 12 12 14 11 8 22 13 15 22 15 16 10 16 14 11 17 19 9 9 10   10     13     Perform an analysis of variance at the 0.05 level of significance.

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A: Given: Mean(μ)=2400standard deviation(σ)=63sample size (n)=4000

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A: Given that  n=40 , p=65%=0.65 q=1-p=1-0.65=0.35

Q: HEIGHT OF GRADE 11 STUDENTS

A: Note: Please repost remaining sub-parts as I can author only 3 sub-parts as per my policy Given…

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A: here use basic of sampling method

Q: Please use trend regression to foreca

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A: here given ,  100 independent observation selcted from X,  X follow  normal distribution  with mean…

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A: Given that  Sample size n =8 Sample mean =10 Sample standard deviation =5

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Q: Gand A, respectively. This is considening they ng the observatim Deriod, it Was obberved that On the…

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Q: (b)  How does increasing the number of replicat

A: T Value for Two-Tailed Probability at 0.05% level of significance  df α 1 12.707 2 4.3031 3…

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A: HERE from given information  All 11 letters from the word Mississippi are written on individual…

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Q: Assume a regression model is y= -4.72+3.27. give a forecast of y when x= 25.62

A: Answer is in step 2

Q: You wish to test the following claim (Ha) at a significance level of a = H,:µ = 77.2 Ha:p + 77.2…

A: As per company guidelines I solved exactly three subparts of the question.thank you

Q: The number of sweatshirts a vendor sells daily has the following probability distribution.

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Q: In an effort to estimate the mean amount spent per customer at restaurants in Shreveport, data were…

A: Bnnkk

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A:

Q: Use a significance level of 0.01 to test the claim that the mean time is different from 90 minutes.…

A: here given , At a local food processing plant, it used to take an average of 90 minutes for new…

Q: Suppose that the joint CDF of the random variables X and Y is given by 0, x < -2 or y < –5

A: Given that Fx,y=0, x&lt;-2 or y&lt;-538, -2≥x&lt;2, -5≤y&lt;312, x≥2 and -5≤y&lt;312, -2≤x&lt;2 and…

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A: Given that

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Q: The U.S. Energy Information Administration claimed that U.S. residential customers used an average…

A: Given,sample size(n)=153sample mean(x¯)=10,586standard deviation(σ)=2509α=0.05

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Q: 95% confidence, develop an interval estimate for the difference between the average miles per gallon…

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A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

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Q: t proportion of T values do you expect to exceed the evidence bars against H0:mu = 23 grams when…

A: Given: Hypothesized mean = 23 Significance level = 0.05 The test is two tailed.

Q: Is it true that the two means which are declared different by Scheffe’s test is also different by…

A: Given information: The information about Scheffe’s test is given.

Q: O None of the other answers O 0.3174 O 0.1587 O 0.8413 O 0.3413

A:

Q: X< 12}, M=

A: S= x0&lt;x&lt;12  = {1,2,3,4,5,6,7,8,9,10,11}M= x1&lt;x&lt;9  ={2,3,4,5,6,7,8}N= x0&lt;x&lt;5  =…

Q: picture Click here for the Excel Data File a. Conduct an ANOVA test at the 5% significance level to…

A: We have given that in ANOVA table, P-value = 0.0003