Do political science classes require the same amount of writing as history classes? The 51 randomly selected political science classes assigned an average of 15.3 pages of essay writing for the course. The standard deviation for these 51 classes was 5.4 pages. The 58 randomly selected history classes assigned an average of 12.1 pages of essay writing for the course. The standard deviation for these 58 classes was 4.6 pages. What can be concluded at the αα = 0.01 level of significance? For this study, we should use        The null and alternative hypotheses would be:        `H0:`                      `Ha:`                  2. The test statistic     =  (please show your answer to 4 decimal places.) 3. The p-value =  (Please show your answer to 4 decimal places.)

Q: he sodium content of a popular sports drink is listed as 220 mg in a 32-oz bottle. Analysis of 10…

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A:

Q: Do political science classes require less writing than history classes? The 47 randomly selected…

A: Given, Size of the first sample n1=47 Mean of the first sample x1=14.1 Standard deviation of the…

Q: Do political science classes require the same amount of writing as history classes? The 40 randomly…

A: The z test is used when the sample sizes are large i.e., more than 30 and the population standard…

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A: Formula : CI=(x̄1 - x̄2) ± ME

Q: Do political science classes require less writing than history classes? The 50 randomly selected…

A:

Q: Do political science classes require less writing than history classes? The 48 randomly selected…

A: Given, Let X1 be the random variable such that number of pages written in political science classes.…

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Q: Do political science classes require less writing than history classes? The 47 randomly selected…

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Q: Do political science classes require more writing than history classes? The 56 randomly selected…

A: Given n1=56 n2=54 X1-bar=18.1 X2-bar=15.5

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A:

Q: andomly selected history classes assigned an average of 16.1 pages of essay writing for the course.…

A: Let X1 be the random variable such that number of pages written in political science classes. x̅1:…

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A: x1 = 139 n1 = 48 s1 = 33   x2 = 140 n2=43 s2=36

Q: science classes assigned an average of 19 pages of essay writing for the course. The standard…

A: Given that    Sample sizes n1=56      , n2=48      Sample means X̄1=19     , X̄2=21.5     s1 =4.4…

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A: mu = 64 sigma = 0.42 n = 20 s = 0.365

Q: A set of scores has a mean of 5.8 and a standard deviation of 2.3. Calculate the z scores for the…

A: Given Data: Meanμ=5.8 Standard deviationσ=2.3   To Find: z-score for a) 2.1 b) 5.7 c) 7.3 d) 12.4

Q: Do political science classes require less writing than history classes? The 41 randomly selected…

A: The objective is to determine if there is a significant difference in the average pages of his…

Q: Do political science classes require the same amount of writing as history classes? The 45 randomly…

A: Given: Sample 1   Sample 2   n1 45 n2 56 x̅1 15.7 x̅2 12.8 s1 3.3 s2 5.5 α=0.10

Q: Determine the decision rule for rejecting the null hypothesis H0H0. Round the numerical portion of…

A: Given that  Sample sizes n1=70      , n2=85       Sample means X̄1=8.84     , X̄2=9.05      ?1 =0.30…

Q: For this study, we should use Select an answer t-test for the difference between two independent…

A: As per our guidelines, we are allowed to answer thee sub-parts per question.  The provided sample…

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Q: Do political science classes require the same amount of writing as history classes? The 59 randomly…

A:

Q: Almost all medical schools in the United States require applicants to take the Medical College…

A:

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A: From the provided information, The degree of freedom = n1 + n2 – 2 = 70 + 50 – 2 = 118 As, the…

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A: From the given data we want to know the data value .

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Q: Do political science classes require the same amount of writing as history classes? The 40 randomly…

A:

Q: Do political science classes require less writing than history classes? The 47 randomly selected…

A: For this study, we should select a z-test for the difference between two population proportions 1.…

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Q: During an economic crisis, the average value of homes in a community of 36 homes lost $9347 with a…

A: Given information Hypothesized mean µ = $8880 Sample size (n) = 36 Mean x̅ = $9347 Standard…

Q: Do political science classes require more writing than history classes? The 50 randomly selected…

A: 3 . has first option is correct one

Q: To see if young men ages 8-17 years spend a different amount than the national average of $24.44 per…

A: Givensample size(n)=35standard deviation(s)=3.70Mean(x)=23.37α=0.05

Q: In 2012, the mean retail price of all history books was $76.38, This year retail price for 45…

A:

Q: A recent study showed that the average number of sticks of gum a person chews in a week is 13. The…

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Q: Do political science classes require more writing than history classes? The 57 randomly selected…

A: State the hypotheses. That is, there is no evidence to conclude that on an average political…

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A: Given information, Mean =516 Standard deviation =116

Q: The standard deviation of quiz scores in Math 22 of EE courses is 8.6. A professor believes this…

A: The provided information is n=20 σ=8.6 s=6.9 The level of significance is  α=0.05 The null and…

Q: classes was 5.9 pages. The 52 randomly selected history classes assigned an average of 15.4 pages of…

A: HypothesesHo:p1=p2 vs H1:p1<p2(claim)T test statistic=0.749, p value=0.2279α=0.01

Q: Almost all medical schools in the United States require applicants to take the Medical College…

A: GivenAll applicants are normally distributed withMean(μ)=9.5standard deviation(σ)=2.4Applicants…

Q: a. N (4.87, 0.0129)

A: The cost of unleaded gasoline in the Bay Area once followed an unknown distribution with a mean of $…