A local college recently made the news by offering foreign language-speaking dorms to its students. another school, 50 randomly selected students from each class were asked if they favored foreign language-speaking dorms. The results are shown below. At a =0.01, is there sufficient evidence to c that the proportions of students favoring foreign language-speaking dorms are not the same? Freshmen Sophmores Juniors Seniors Yes (favor) 5 11 20 21 No 45 39 30 29

Q: find the test value used to test the claim that the proportion of jellyfish stings at jones beach is…

A: Given, Sample size = 696 Sample proportion = 0.30   The null and alternative hypothesis is:

Q: Checkup One of the authors has an adopted grandson whose birth family members are very short. After…

A: A z-score, when expressed in standard deviation units, represents the location of a raw score in…

Q: how do you calculate the P-value without excel

A: From the given solution, we get z = -0.957    = -0.96       ( round upto 2 decimal places )…

Q: You collect data on number of alcoholic drinks consumed by community college students. After…

A: From the provided information, The z score for the sample mean is +0.45.

Q: Illustrate the Test R2 for significance?

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A: n = 900 x = 363 P0 = 0.57

Q: additionally how would you find the: test statistic & p-value

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A:

Q: 95 percent divided .025 what is the z score?

A: The z-score is obtained as given below: PZ≤z=0.025z=ϕ-10.025=-1.96  Using Standard normal table

Q: Test whether patients getting Treatment 1 are more likely to survive, if 62 out of 82 getting…

A:

Q: What is the p-value only?

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Q: AP Stats The College Board reported that 58.7% of allstudents who took the 2010 AP Statistics exam…

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Q: Find the number of different selections of 4 letters from the word STATISTICS.

A: "STATISTICS" No.of letters in the word " STATISTICS " =10

Q: What is the main difference between z score and T score?

A: Z Score and T scores are both used in Hypothesis testing.  Z score is used while using z test and T…

Q: Find the mean: 4,5,7,9

A: The data set is: 4,5,7,9

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A: option (a) which is the information provided characterizes one smaple, one sided test is correct…

Q: Describe how to find approximate p-Values.

A:

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A:

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A:

Q: Explain the sample mean of the difference scores varies.

A:

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A: The confidence interval = 95%Margin of error [E] = 2.5%

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A:

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A: We know z-score is used in many fields. But we should know what is the meaning of z-score and how to…

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A:

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A: Given in the following data difference (A-p) = d =3.4,3.2,1.7,4.7,4.9,1.8,0.9,4.1,2.7,2.8 Meand: We…

Q: What are the factor and the levels? The factor is What is the response variable? The levels are O…

A: Factor: The variable whose levels are manipulated by the experimenter Level: The value of Factor…

Q: how do i calculate a z score or find the X-Value and determine if a score is usual or unusual

A: A z-score measures exactly how many standard deviations above or below the mean a data point is.

Q: How do you figure out which team is closer?

A: In triangle LBM∠BLM=52°∠LBM=38°+52°=90°∠BML=38°