THE FOLLOWING ARE THE SCORES OBTAINED BY 9 STUDENTS FROM STEM 12-Y1-20 IN THEIR THIRD QUARTERLY EXAMINATION IN GENERAL PHYSICS 2: 53, 58, 45, 35, 44, 29, 51, 56, 40 WHAT IS P70? CHOICES: 45 51 53 44

Q: 2. The numbers of movies attended last month by a random sample of 12 high school students were…

A: data,   2,0,3,1,2,4,2,5,4,0,1,4 data in accending order:0,0,1,1,2,2 ,2,3,4,4,4,5

Q: A sample of n=16 is selected from a population = 100 and σ= 32. If the sample mean is 127, what is…

A: z-score for sample mean: From the given information,   n=16 µ=100 σ=32 x-bar=127   Therefore,

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A:

Q: Resenhoeft, Villa, and Wiseman (2008) conducted a study showing that a woman shown in a photograph…

A: Solution: Given information: n= 12 Sample size  Md= 1.2 Difference of sample mean SS= 33 Difference…

Q: A random sample of n1 = 149 people ages 16 to 19 were taken from the island of Oahu, Hawaii, and 8…

A: Note: Hi there! Thank you for posting the question. To avoid the plagiarism issue we have used the…

Q: According to the most recent​ data,10.5​% of engineers​ (electrical, mechanical,​ civil, and​…

A:

Q: A coach is interested in how many cartwheels the average college freshmen at his university can do.…

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A: This is a paired test,

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A: Given: The observed frequencies (O) are given below Larceny thefts 38 Property crimes 50 Drug…

Q: 20. Find the z-score that corresponds to P15?

A: Here we need to compute the z score corresponding to the 15th percentile.

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A: Let n1 and n2 be the sample size of young and old people respectively. n1=120 n2=100 Let x1 and x2…

Q: A sample of n - 16 scores is obtained from a population with u = 50 and o - 16. If the sample mean…

A:

Q: Are our kids getting taller? The average height of kindergartners in 1950 was 39.5 in. The data…

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Q: Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 49% of the…

A: Given:  Hypothesized population proportion  po= 49%=0.49 Sample size n=100  Sample proportion p=…

Q: 2. The numbers of movies attended last month by a random sample of 12 high school students were…

A: The modes of the data set are 2 and 4. Explanation: The mode of a set of data is the value in the…

Q: (B) In a survey of 70 business firms it was found that 45 were planning to expand their capacities…

A: Given: Sample size n = 70 X = 45 Population proportion P = 0.70 Formula Used: Test-statistics Z =…

Q: A researcher is testing the effect of a new cold and flu medication on mental alertness.  A sample…

A: (A)   Given that,  M=7 SS=72 n=9 s2=SS/n-1=72/(9-1)=9. From the given information, the claim of the…

Q: 7. A poll of 60 students selected at random at State University found that 12 were in favor of…

A:

Q: 2:31 Screen Shot 20... EXERCISE 1. In a survey of one company selling alcoholic drinks, 1087…

A:

Q: An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans…

A: p^=xn= 2255= 0.40

Q: ckerman and Goldsmith (2011) report that students who study from a screen (phone, tablet, or…

A: a.

Q: Days before a presidential election, an article based on a nationwide random sample of registered…

A: Given Information:  Percentage of registered voters = 52% ± 3%

Q: 13. A basketball playel-makes 65% of her shots from the field during the season. 52711 38889 93074…

A: Random variables mean the number of variables selected from the total number of observations. This…

Q: The registrar at Cow Catcher College in interested in the relationship between academic achievement…

A:

Q: What is the probability of randomly selecting a sample of n = 4 with a value greater than M= 63 from…

A: n = 4 M = 63 u = 60 s = 12

Q: According to a local chamber of commerce, in 1993, 5.9% of local area residents owned more than five…

A: State the hypotheses. That is, there is no evidence that the percentage of the local area residents…

Q: 26 randomly selected students were asked the number of movies they watched the previous week. The…

A: Relative frequency = f∑f

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A: The question is based on a ANOVA Given :

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A:

Q: 3.) In a certain university in lloilo, a study was conducted to determine whether the IQ scores of…

A: Solution

Q: 3. There is a teacher shortage across the nation. A random sample of teachers for different school…

A: Data given    High school Middle school Elementary Total Satisfied 35 30 62 127 not satisfied…

Q: Calculate the test-statistic, t with the following information. 2.76, 81 = 0.99 = 2.68, 82 = 0.54 n1…

A: Given Information: Sample 1: Sample size n1=60 Sample mean x¯1=2.76 Standard deviation s1=0.99…

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A: Given: n=200 α = 0.05

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A: Solution: let x1,X2 ....X10 random samples of normal distribution (mean=mu, varience=sigma^2)…

Q: Q2- Answer the following: a) A box having (10) blue balls, (6) red balls, and (4) white balls. (3)…

A:

Q: In a random sample of 120 killer bees, how many would you expect to be agitated by the color GREEN?…

A: Number of killer bees are expected to be agitated by color green = (% of bees agitated by color…

Q: A random sample of n1 = 148 people ages 16 to 19 were taken from the island of Oahu, Hawaii, and 14…

A: Note: Since you have posted questions with multiple subparts we will solve the first three questions…

Q: Supposed that in the past, 10% of women in the Philippines have severe dysmenorrhea. Do we have…

A: Followings are the answer of the questions The following information is provided: The sample size is…

Q: Q2 A computer used by a 24-hour banking service is supposed to randomly assign each transaction to…

A:

Q: The principal wants to determine if the teaching strategies of his teachers used in online teaching…

A: For the given data 21. what is the statistical decision 22. what is the conclusion

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A: There are two categorical variables which are opinion and sex. We have to test whether there is a…

Q: A student believes that physical science professors are more authoritarian than social science…

A: Hypothesis: The null hypothesis is,  H0: There is no difference in the scores among the three group…

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Q: (6) A student surveys some students on campus in the evening and finds that 16 out of 20 of the…

A: Since you have posted more than one question Incan answer only first question at this time. Please…

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A: Hypothesis Testing: The value of the sample size is more than 30 and the aim is to compare the means…

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A:

Q: 9. A researcher estimates that the average height of the buildings of 30 or more stories in a large…

A: Given data: Mean = 700 feet Sample size = 10 Significance level  = 0.025