andomly selected history classes assigned an average of 16.1 pages of essay writing for the course. The standard deviation for these 50 classes was 4.5 pages. What can be concluded at the αα = 0.10 level of significance? For this study, we should use  The test statistic ? z t Incorrect = Incorrect (please show your answer to 3 decimal places.) The p-value = Incorrect (Please show your answer to 4 decimal places.) The p-value is ? > ≤ Incorrect α

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…

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A: There are two types of estimation in statistical inference, they are point estimation and interval…

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…

Q: Russell is doing some research before buying his first house. He is looking at two different areas…

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.…

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 47 randomly selected…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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

Q: a. Frosted Flakes: 11 grams of sugar z= type your answer.... b. Apple Jacks: 14 grams of sugar z=…

A: Here given , Mean = 7.6  Standard deviation  = 4.5

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A:

Q: Do shoppers at the mall spend the same amount of money on average the day after Thanksgiving…

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…

Q: large insurance company wanted to estimate μ, the mean claim size (in $) on an auto insurance…

A: Introduction: Estimation of Population mean( μ): The most fundamental point and interval estimation…

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: b. The test statistic 0° c. The p-value = d. The p-value is ≤ ✓ O α (please show your answer to 3…

A: The given information is:Sample 1:The sample size is The sample mean is The sample standard…

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 51 randomly…

A: Given: n1 = 51  average of 15.3 pages  standard deviation = 5.4 pages. n2= 58 average of 12.1 pages…

Q: This year’s group of high school students did poorly on their final exams (M = 69, s = 11.3),…

A: Given information- We have given the mean and standard deviation of the high school students final…

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: 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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A: Since sample size is large but population sd is unknown , we will be utilising t distribution for…

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Q: Suppose that another sample of resting heart rates for five Math students was obtained: 72, 68, 66,…

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.…

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

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A: Let X: amount of money raised by Clayton state teams for the statistics games. X has normally…

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Q: The standard deviation for Mr. Smith's class's Exam 4 scores was 2.57, and the standard deviation…

A: The standard deviation for Mr. Smith's class's Exam 4 scores was 2.57The standard deviation for Mr.…

Q: Suppose that the cost of annual tuition at colleges is normally distributed, with an average annual…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.