Which ones of the following are examples of continuous data  A     The amount of flour used in a cake B     The number of kilowatt of electicity used C     Number of flowers on a tree D     Age of a toddler at a preschool,

Q: 48. Suppose the temperature of healthy humans is approximately normal with a mean of 98.6 degrees…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: When calculating a confidence interval from an independent-samples t test, what value should be at…

A: It is given that the statement about to the confidence interval from an independent sample t-test.…

Q: When should a s distribution be used? When there are how many cases in a sample? When should a t…

A: Do you mean z-distribution vs t-distribution? s-distribution is not a thing.

Q: data is collected from Lab A, and this data is considered as the reference (standard). Sample mean…

A: Given that  Sample mean is 12, SD is 2.4 and sample size if 16. Another set of data from Lab B have…

Q: recorded their survival time (in days) after they were injected with an infections bacteria. The…

A: It is given that the data set 43, 79, 82, 91, 102, 114, 137, 184, 511

Q: 2) A new quality assurance process developed in Limpopo by Mr Masela for a newly introduced Sephaku…

A: Sampling distribution of sample mean follows normal distribution.

Q: Determine the appropriate critical value(s) for each of the following tests concerning the…

A: a. Suppose μ is the population mean.

Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…

A:

Q: ederal Government Employee E-mail Use It has been reported that 74% of federal government employees…

A: Given that n = 220 ,p =0.74

Q: A research entitled "Study Habits of University of Pangasinan Students During the Covid 19 Pandemic"…

A: The provided information is as follows: N (Population size)=2440Reliability=95%Tolerable error…

Q: The results of an independent -samples t test yield: MX = 10, MY = 7, s2 pooled = 1.65. What is the…

A:

Q: In an Oreo factory, the mean mass of a cookie is given as 12 g. For quality control, the standard…

A: The mean is 12 g and standard deviation is 1 g.

Q: Draw a boxplot for the second test scores 94 62 88 62.5 52 988775 52 54 93 38 83 75.5 89 757668 30…

A: Given: the second test scores 94 62 88 62.5 52 988775 52 54 93 38 83 75.5 89 757668 30 84…

Q: Let A be the event of rolling a die and getting 6, and let B be the event of tossing a coin and…

A: We have given the following  A be the event of rolling a die and getting 6 and let B be the event of…

Q: f    SS MS F Regression     4,853   2,426.5     Residual         485.3…

A: Given,   ANOVA           df SS MS F Regression   4853 2426.5   Residual      485.3…

Q: 2. If X is chi-square variate with n d.f., then prove that for large n, √2X ~ N(√2n, 1).

A:

Q: Hello.  When doing the first calculation for the Test statistic i am getting a final answer of 44…

A:

Q: What does it mean if your score on the math portion of the SAT is in the 76th O it means that 76% of…

A: The percentile score is the percentage or proportion of the score that is less than or equal to a…

Q: An Insurance company study shows that 45% of U.S. adults have high blood pressure. Suppose 6 U.S.…

A: Let p be the probability of U.S. adults have high blood pressure  n be the sample  size Let X be the…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: Given that  C = 246 + 33 = 279 D = 150 + 18 = 168 C or D = 0 Total =316+274+246+150+39+59+33+18=…

Q: We are going to calculate the standard deviation for the following set of sample data. 13,13,7,10,4…

A: From the provided information, The data values are as follow: 13, 13, 7, 10, 4 Number of…

Q: 1.171 How much vitamin C do women consume? To evaluate whether or not the intake of a vitamin or…

A: The 5th, the 50th and the 95th percentiles of the distribution are 42, 79 and 142, respectively.

Q: student is selected at random, find the probability that he or she owns a credit card given that the…

A: Given that  The responses are listed in the table. Class Credit card Cash Total…

Q: Draw the complete logic diagram from the given logic equation, maximum of 2 inputs per gates used.…

A: Given logic equation  F = X'YZ+XY'Z+(XZ')'

Q: The diameter of a cylinder follows a normal distribution with mean of 10cm and the variance of 0.04…

A: Given that ,,Diameter of cylinder follow a normal distribution, μ=10cmσ2=(0.04)2=0.0016a)3-σ control…

Q: Assumption University faculty believe their children (ages 4-5) differ in intelligence than the…

A: Given: Sample size n = 13 Sample mean X = 102.92 Population mean μ = 100 Sample standard deviation s…

Q: 1. Given the relation for finding the Standard Deviation below, explain why we take the square root…

A: given the relation for finding the Standard Deviation:- Sx = ∑i=1n(xi - x¯)2n-1

Q: f (x) Suppose a continuous random variable X has the probability density K (1-x²) for 0 < x < 1, and…

A: It is give that  a continuous random  variable X has the probability  density function f(×) =…

Q: There are 10 cars on a parking lot, 7 black and 3 white. Two cars are stolen without replacement…

A: From the provided information, There are 10 cars on a parking lot, 7 black and 3 white. Two cars are…

Q: Find t, rounding the result to three decimal places. b₁ S II = Σ(x₁ - x)² 7.688 238

A: The regression equation is given by y = 0.5x + 18.8 s = 7.688

Q: Suppose that the weight of seedless watermelons is normally distributed with mean 6.3 kg. and…

A: It is given that the mean is 6.3 kgs and standard deviation is 1.2 kgs.

Q: Use the given Normal curve to answer the question. Recall that the mean is 52, and the standard…

A:

Q: values "alues for Correlation Coefficient n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666…

A: Obtain the value of correlation The value of correlation is obtained below as follows:

Q: 1. Formulate the null and the alternative hypothesis. a) A city had an unemployment rate of 7%. The…

A:

Q: 2. Let X₁, X2,..., Xn be iid random variables from a Pareto distribution, with cdf F(x; a) = 1-xa, x…

A: Cdf F(X; ɑ)=1-ɑx-ɑ x≥1

Q: A teacher claims that over 11% of maths students are married. In the survey at the beginning of…

A: Answer: From the given data, Population proportion (P) = 11% = 0.11 Sample size (n) = 50 Sample…

Q: A fair coin is tossed until either a tail occurs or a total of 4 tosses have been made, whichever…

A:

Q: A survey reported that 76% of registered voters in California approved of allowing two people of the…

A: given data   event   A : age 18 to 39 years             B : approved of gay marriage   P(B) = 0.76…

Q: 5. Consider a distribution with mean and pdf f(x) = population is within +0.07 of μ. ,4≤ ≤ 6.…

A: Firstly it is required to calculate mean and variance of X and then Chebychev's inequality will be…

Q: It is believed that 23.44% of U.S. homes have a direct satellite television receiver. How large a…

A: From the provided information, It is believed that 23.44% of U.S. homes have a direct satellite…

Q: A ball is drawn randomly from a jar that contains 3 red balls, 4 white balls, and 4 yellow ball.…

A: According to the given information, we have Number of red balls = 3 Number of white balls = 4 Number…

Q: Consider the weighted voting system (6:4,3,2,13 with corresponding voters A, B, C, and D. Which…

A: Weighed voting system { 6:4,3,2,1} Voters  A=4 B=3 C=2 D=1

Q: The following output was generated using statistical software.    Coefficients Standard Error…

A: Data given Coefficient of intercept= 50.65625 Coefficient of speed=-0.353125

Q: a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round…

A: It is given that  Margin of error, E = 4.5% = 0.045 Confidence level = 90%

Q: A statistics teacher has 4 periods of introductory statistics. She wants to get students' opinions…

A: The sampling scheme is given by The teacher randomly selects 1 period and surveys all of the…

Q: 4. Consider a certain random variable X that may take on one of 8 equally likely outcomes:…

A: Given that  A random variable X that may take on one of 8 equally likely outcomes: x1 , x2 , x3 , x4…

Q: What is the z-score for a raw score of 52?

A: It is given that the normal distribution curve.

Q: An erstwhile commercial claimed that "Four out of five dentists surveyed would recommend Trident for…

A:

Q: When do creative people get their best ideas? USA Today did a survey of 966 inventors (who hold U.S.…

A: a) The frequency distribution table of the time of day when best Ideas occur is given.

Q: Let X be a random variable with mean 6 and variance 3. Let Y be the random variable counting the…

A: Given that  E(X) = 6 , V(X) = 3 Let Y be the random variablecounting the number of times the number…