A town believes that an average of 33 cars travel through an intersection each hour. A new worker thinks that number is too high and he tracks cars for one week. Test his hypothesis at the 94% level. 34 32 32 30 29 (if there are two, but both separated by a comma) 35 31 1. What is the critical value 2. What is the test statistic 3. What is thep-value

Q: Two groups of students reported mean weights of 162 kgs and 148 kgs respectively. When would the…

A:

Q: There are 5000 observations in a data set. 10% of the data are “1”s, while the rest are “0”s. If we…

A: The data set consist of 5000 observations. The observations are 0's and 1's. An amount of data…

Q: a. What quarter has the smallest spread of data?FirstSecondFourthThirdb. What is that spread?c. What…

A: Introduction A box plot gives an idea about the distribution of the data values and whether the…

Q: Given the following sample data, determine which value is in the 77th percentile 89, 64, 11, 33, 60,…

A: Data given  89,64,11,33,60,44,45,31,48,47,63,82,19,71,83,63

Q: 2. Consistency is key. Whenever we say that a product is of better quality, it 1 refers to the…

A: Solution In the question the researcher wants to test the the variability  life of the new battery.

Q: Suppose a population has three values 13, 17 and 24. What is its variance?

A: Given: n=3 The mean of the data is obtained as below: Mean=∑xn=13+17+243=543=18 The mean is 18.

Q: A running coach wants to know if participating in weekly running clubs significantly improves the…

A: Option a) is correct.

Q: The manager of Carrefour selected samples of 64 customers and computed the sample average amounts…

A: Given: Sample size, n = 64          If the average amount spent is normally distributed then we are…

Q: What percentage of infants who test positive using the test will actually have Down’s syndrome?

A: Let us define some events  A : an infant has Down's syndrome.  B : an infant does not have Down's…

Q: there sufficient evidence to indicate that the average diameter of the tendon for patients with…

A: from the given information : population mean,μ= 5.96 sample size, n = 31 sample mean, x̄ = 9.5…

Q: A random sample of 353 Italians found that 64.3% eat pasta at least twice a week. Build a 97% CI for…

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Q: Jessica hypothesizes that giraffes will look longer at human infants than at adults. In her zoo, she…

A: It is given that Jessica hypothesizes that giraffes will look longer at human infants than at adults…

Q: Suppose you wish to determine whether there are differences in the average prices among 3 major…

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Q: Suppose you have the following data: 6, 19, 10, 14, 25, and 9. Calculate the 20th percentile. 2.…

A: The given data in part (1) is: 6, 19, 10, 14, 25, 9 The given data in part (2) is:

Q: At the Hungry Heifer restaurant, the regular price for the Tribute to Swine buffet is $ Seniors…

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Q: a) If Q3 = 30, then 25% of the data is above 30 2. True 3.False

A: Given: Q3=30

Q: areer Assessment Examino g factor for a college sch core should be in the top - graduating class.…

A: NCAE score  3 11 7 7 28 18 45 50 17 19 30 23 25 10 27 16 49 48…

Q: Mean М (a) For these data, which measures of central tendency take more than one value? Choose all…

A: Let, X: The maximum time for completion of an intelligence test. Given data is, X 21 27 32…

Q: A scatter diagram cannot be created for more than 100 data values. O True False

A: FALSE

Q: 2. A sample of

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Q: 8. Two baseball player in your team has same mean number of score. Player 1 has higher variance than…

A: If two baseball players have the same mean number of scores, but different variances, it means that…

Q: the mean of Population 1 is greater than the mean of Population 2.

A: Definition of independent of two Population mean: The independent t-test, it is also called the…

Q: 5. Use the following values to answer the items below:              4, 4, 4, 5, 5, 6, 6, 6, 6, 7,…

A: 4, 4, 4, 5, 5, 6, 6, 6, 6, 7, 8, 8, 9, 9, 10, 11

Q: For a moderately skewed distribution of supply of Product A, arithmetic mean is 100, and coefficient…

A: Given : Arithmetic mean (Mean)= 100 Coefficient of variation (C.V)= 35% = 0.35 Pearson coefficient…

Q: 5. What percentage of the children watched TV between 20 and 30 hours per week? 6. The Mode is the…

A: The percentage of favorable outcomes out of total outcomes can be calculated by multiplying the…

Q: Does it take more time for seeds to germinate if they are near rock music that is continuously…

A: According to the given information in this question There are more than three subparts according to…

Q: 8. Rachel Ray has a popular FoodNetwork show, 30 Minutes Meals. However, in a study conducted by USA…

A: given that

Q: .Taggart Vanetten ran the Marathon in 151 minutes what is his percentile ?what does it mean in the…

A: Given, Data is provided in this table: Sum of minutes in data: 7196 Total no. of values : 40

Q: Which has the greatest standard error?     mean=20, s.d.=10, n=9     mean=30, s.d.=15, n=16…

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Q: Mr Martin can drive to work along four different routes. The following are the number of minutes the…

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Q: The variance of a population is 5. The size of the sample collected from a population is 225. What…

A: Answer: From the given data, Variance (σ2) = 5 ⇒Standard deviation (σ) = Variance = 5…

Q: Question Help A programmer plans to develop a new software system. In planning for the operating…

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Q: Q2: The following data represent the weight loss in pounds of individuals on a five-week weight…

A: Note : As per the company guidelines, only three subparts can be answered at a time. Kindly,…

Q: Below are the results of two polls of random samples of high school seniors and juniors, who were…

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Q: Indicate whether each of the given statements could apply to a dataset consisting of 500 different…

A: a)The 20th percentile is always less than or equal to the 30th percentile. Therefore, statement A…

Q: Which of the following will give the value for the third quartile? a. QUARTILE.INC(array, 0.25)…

A: We have to tell from the given functions which function will give the value of third quartile . We…