Find the median of the following data: Element Frequency 14 2 36 5 45 1 70 3 105 12 145 0

Q: Life on Other Planets Forty-five percent of people believe that there is life on other planets in…

A:

Q: A movie studio wishes to determine the relationship between the revenue from the streaming rental of…

A: Given: Sample size n = 15 Formula Used: Slope b = n∑XY-∑X∑Yn∑X2-∑X2

Q: In selecting the sample size to estimate the population proportion p, if we have no knowledge of…

A: It is given that the statement about to the population proportion. Here, need to find out the…

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 8 type A balls, 5 type B…

A: given data,8-type A balls 5- type b balls 7- type c balls =20  total balls

Q: 8% of all Americans live in poverty. If 48 Americans are randomly selected, find the probability…

A: given data sample size n = 48population proportion who lives in poverty = p = 0.08x= no. of people…

Q: You want to make a confidence interval for the true average number of users of the video server at…

A: Note: There are two intervals for finding the confidence interval for true population mean: t…

Q: The accompanying data represent the miles per gallon of a random sample of cars with a…

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

Q: Consider a t-distribution with 13 degrees of freedom. Find P(t < - 0.81). Question Help: Post to…

A: Givendegrees of freedom(df)=13required probability is P(t&lt;-0.81)

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A:

Q: Copy Data Step 1 of 4: Calculate the expected value for the number of white cars with 0-1 moving…

A: Given that  Total white car = 191 Total 0-1 = 280 Total = 719 Expected Frequency formula is E = (Row…

Q: To say that two variables are confounded means that? Only one answer A) they both vary at the same…

A: Confounding variable: Confounding variable is a third variable that has impact on both dependent and…

Q: According to Chemical Engineering, an important property of fiber is its water absorbency. The…

A: The question is about hypo. testing Given : Randomly selected pieces of cotton fiber ( n1 ) = 12…

Q: Suppose you collect a SRS of size n from a population and from the data collected you computed a 95%…

A: given data  we take simple random sample of size n from population and construct 95% confidence…

Q: Exercise 1: You own two surfboards, a blue one and a purple one. You surf everyday and the…

A: In this case, the events of interest are "using the blue surfboard" (i.e., defined as success) and…

Q: indicated z score. The graph depicts the standard normal distribution with mean 0 and standard…

A: Given that  X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: IQ scores on the WAIS test approximate a normal curve with a mean of 100 and a standard deviation of…

A: Given that mean,μ=100 standard deviation σ=15 a) What IQ score is identified with the upper 2…

Q: X 3 4 5 6 P(x) • 0.32 ? 0.25 0.25

A: x P(x) 3 0.32 4 a 5 0.25 6 0.25   we have to find P(x=4) =?   lets assume p(x=4) = a

Q: If we are testing for the equality of 3 population means, we should use the test statistic t test…

A:

Q: Is it a binomial probability experiment? If so, justify your answer. Yes because all conditions are…

A: It is given that  P( success ) = p = 16% = 0.16 Sample size, n = 1100     Note: According to…

Q: The table shown to the right gives the national average pupil-teacher ratio in public schools over…

A: a. Suppose x defines the year since 1992 (independent variable) and y defines the average number of…

Q: The scores of students in an exam follow approximately a symmetric bell-shaped distribution with a…

A: given data  normal distribution μ = 60σ = ?P(x&gt;80) = 2.5%use empirical ruleempirical rule :…

Q: Find the probability given the following z-scores for a standard normal distribution. P(z 0.68)…

A: From z table it can be calculated easily : P(z&lt;1.35) = left tailed  P(z&gt;0.68)= Right tailed

Q: What is the​ least-squares regression line with the point (9,13) included in the data​ set?   Data…

A: Given information: x y x^2 y^2 xy 3 6 9 36 18 4 5 16 25 20 5 7 25 49 35 6 4 36 16 24 7…

Q: A man had a height that is at the 99.725th percentile of the distribution for height. This means…

A: It is given that a man had a height that is at the 99.725th percentile of the distribution for…

Q: Given below are the number of tools produced by workers in a factory. 43 18 25 18 39 44 19 20 20 26…

A: Given information: The data given related to the number of tools produced by workers in a factory.…

Q: Exhibit 13-21 Sum of Squares Between Groups (Treatment) 6,000.0 Within Groups (Error) Source of…

A: Analysis of variance (ANOVA) is used for testing the difference between three or more means. In the…

Q: In a study in which the null hypothesis has been rejected, we should be aware of the possibility of?…

A: In a study in which the null hypothesis has been rejected, we should be aware of the possibility of-…

Q: Given that p(A)=.31, p(B│A) =.39, and p(A│B) =.31, are A and B (a) independent? (b) exclusive?

A: given data  P(A) = 0.31 P(A|B) = 0.31 P(B|A) = 0.39

Q: Suppose that a population is known to be normally distributed with μ = 2,200 and σ = 230. If a…

A: given data normal distribution μ=2200σ=230n=12P(X&gt;2300)=?

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

A: The area under the curve to the right of z is shaded and labelled 0.9292.

Q: The real risk-free rate (r*) is 2.8% and is expected to remain constant. Inflation is expected to be…

A:

Q: After running a linear regression with 1-factor, with the market premium, if beta is positive, then?…

A: The linear regression model for the stock is given by the equation Stock=α+βMarket premium.  Here,…

Q: Bartlett had participants read a story about ghosts, and then recall the story 20 minutes later (on…

A: Given, the results of repeated measures ANOVA.

Q: A company conducted a study to determine the percentage of employees who commute more than 2 hours…

A:

Q: For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) by​ hand, compute the…

A: Given information: The data is given below. x 2 4 6 6 7 y 4 8 12 13 19 n=5 Formula:…

Q: 4.13 The linear regression model is y = B₁ + B₂x + e. Let y be the sample mean of the y-values and…

A:

Q: Last year, 40% of the students at GGC were in the School of Business, 10% of the students were in…

A: Null and alternative hypotheses: Null hypothesis is a nullified statement about population parameter…

Q: The number of bacterial colonies on a petri dish can has an average of 2.5 per cm2. i. Define the…

A:

Q: (a) What is the probability that a randomly selected bag contains between 1000 and 1400 chocolate…

A: It is given that  Mean, μ = 1252 Standard deviation, σ = 129   Note: According to Bartleby expert…

Q: Copy Data Step 2 of 4: Calculate the expected value for the number of readers from an urban area who…

A: Given that  Total urban = 232 Total notification = 152 Total = 449 Formula for Expected Frequency  E…

Q: Consider the perfectly competitive market for steel. Assume that, regardless of how many firms are…

A:

Q: 4) Use R to find area under Z curve given the Z value. (a) P(-1.45 1.31)

A: Hi there! Thanks for posting the question. Since there are two different questions with multiple…

Q: 10.) Human blood can contain the A antigen, the B antigen, both the A and B antigens, or neithea…

A: Given, 25 patients had the A antigen 8 patients had the A antigen and not the B antigen 27 patients…

Q: There are fifteen students writing a Statistics exam. What is the probability of correctly…

A:

Q: Use the attached picture to anwer these question: What is the best estimate for the parameter? If we…

A: The output shows the bootstrap dotplot of mean.

Q: Determine whether the variable is qualitative or quantitative. Gender Is the variable qualitative or…

A: Qualitative data: Qualitative data are two types (1) Nominal data: Nominal data measure qualitative…

Q: The mean incubation time of fertilized eggs is 19 days. Suppose the incubation times are…

A: b)According to given question,    We have:-    X~N(19,1) μ=19 σ= 1 area between two times (or raw…

Q: Kelly plans to go on a vacation to Las Vegas during Christmas, but the availability of rooms in the…

A: Kelly plans to go on a vacation to Las Vegas during Christmas, but the availability of rooms in the…

Q: Recorded here are the germination times (in days) for 12 randomly chosen seeds of a new type of…

A: Given data is21,18,13,21,16,21,13,19,16,18,18,15sample size(n)=12confidence level=99%

Q: The heights of 400 students are approximately normally distributed with a mean of 174.5 centimeters…

A: The following information has been provided: Let X be a random variable represents the height of…