At the 2% level of significance, what is the decision?

Q: A research report from an independent-measures study states that there are significant differences…

A: a)From the given information, the degrees of freedom treatment is 3.

Q: How do you calculate the odds ratio?

A: The odds in favour of event A is n:m. That is,

Q: Find the third quartile for the average number of Facebook friends.

A: Let X denote the average number of Facebook friends users. Given that X ~ N(mean=122, SD=43) Let Q3…

Q: The median is the point of the _____ percentile of distribution?

A: Median is the value that divides entire distribution between two equal parts also the median is the…

Q: When the Standard Score = -1, what is the percentile of the raw score? %3D O 2nd 14th O 16th 34th…

A: It is an important part of statistics. It is widely used.

Q: What is the difference between sample means and a distribution of sample proportions?

A: Given : Sample mean : Average of sample observations is known as "sample mean". Sample proportion :…

Q: What is the median nutritional status for the 7 individuals?

A: The number of nutritional status is 7.

Q: Find the percentile rank of students obtaining the scores:

A:

Q: How do you find the percentile?

A: Percentile :  A percentile is a term used in statistics to express how a score compares to other…

Q: Twenty years​ ago, 47​% of parents of children in high school felt it was a serious problem that…

A:

Q: What is Difference Score?

A: Difference score is basically the change or the difference between any two test statistic or test…

Q: i) Test, at the 3% level of significance, whether the proportion of adults who experience an adverse…

A: For sample 1, we have that the sample size is N1= 733 the number of favourable cases is X1= 103, so…

Q: What are the steps for Finding Proportions for One Score?

A:

Q: What is the z-score corresponding to the 74th percentile

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: What statistic would you use if you wanted to see if there was a difference between three ethnic…

A: What statistic would you use if you wanted to see if there was a difference between three ethnic…

Q: Martha wanted to find out the perceptions of Grade 12 learners in Homeschooling. She randomly…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: How do you solve for the mean of the sampling distribution of sample means?

A: Solution-: We find how to solve for the mean of the sampling distribution of sample means?

Q: sampling distribution?

A: The sampling distribution is a probability distribution obtained from a large number of samples with…

Q: What is the value of the standard score for the sample proportion?

A: If mean if the proportion us P And standard deviation is √(pq/n) Then standard score or Z score for…

Q: Cebu Tech Corporation manufactures tablet screens. The following data give the numbers of tablet…

A: Given: 24, 32, 27, 23, 33, 33, 29, 25, 23, 36, 26, 26, 31, 20, 27, 33, 27, 23, 28, 29, 31, 35, 34,…

Q: Celyn is among the 1500 students of the school.If Celyn's score based on the Standard-Binet test is…

A: Given: Number of students = 1500 Score on standard Binest test is 105

Q: What is the percentile rank x=15 and what is the score for 75th percentile?

A: If the we have no of scores is 15 then we have formula for percentile rank as:…

Q: What are the odds of 1 in 50 as a percent?

A: The odds in favor of event A is P(A)/(1 - P(A)).

Q: How do you write a research questionnaire?

A: The objective is to write the steps in a research hypothesis.

Q: After finding the mean, median, SD and CV, what can b

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: What is the 87.7 percentile of X~N(12,3)

A: Answer: Given that, X~N(12,3)

Q: describe why it is important for the sample in your study to be as representative as the source

A: Representative samples are important as they ensure that all relevant types of people are included…

Q: How do you find the stardard deivation for a sample proportion?

A: The sample proportion is p, suppose.  Find q which is equal to 1-p Finf the sample size = n

Q: What is the difference between a score/category’s frequency and its relative frequency (proportion)?

A:

Q: b. Determine the 82th Percentile value (P82). Provide the exact answer

A: We have given that,  The data set is,  9, 8, 10, 4, 13, 13, 11, 4, 9, 6, 5, 15, 15, 2, 14, 10, 7, 5,…

Q: how do you find the sample proportion?

A:

Q: What percent of students preferred iced tea?

A: Total number of students = (840+390+830+510+430) = 3000 Number of students who preferred iced tea =…

Q: A newspaper provided a  "snapshot" illustrating poll results from 1910 professionals who interview…

A: Introduction:The 100 (1 – α) % confidence interval for the population proportion, p is: (p̂ –…

Q: What well-being score represents the 45 percentile? *

A: It is given that the mean is 100 and the standard deviation is 20.

Q: Explain the relationships among the sample proportion, the number of successes in the sample, and…

A: Sample proportion: The fraction of number of members sampled which have a specified attribute and…

Q: Explain sample?

A: To Explain the sample??

Q: A parent comes to you and asks the difference between percent correct and the national percentile…

A: Concept: Percentage in simple terms can be difined as a number that is out of 100. Maximum marks are…

Q: What is the percentile for a person that has taken 16 courses? (Your answer should be a %, such as…

A: Percentiles can be calculated using the formula  n = (P/100) x N, where P = percentile, N = number…

Q: When the Standard Score = -2, what is the percentile of the raw score? O 2nd O 14th 16th 34th 84th

A: Given that, Standard score = -2

Q: Explain the four steps involved in significance testing?

A: Hypothesis testing can be conducted in two ways: Critical value approach. P-value approach. The…

Q: What are the steps for Finding Proportions beyond Two Scores?

A: Z-score: Z-score shows how far a score is away from the mean or it shows how standard deviation away…

Q: What is the sample proportion

A: Claim: More than half of the population believes that passwords should be replaced with biometric…

Q: The 77th percentile is O.

A: X~N(50 ,49)Let Q be the 77th percentile .P(X<Q) =0.77⇒P(X-507<Q-507) = 0.77⇒ϕ(Q-507)  =…

Q: How do we report the percentage distribution for college major?

A: Given information: The frequency distribution for the college major and stats is given.

Q: What is the 84th and 22nd percentile and what is the 7th and 9th decile

A: Solution To find the percentile and decile we will use Excel