The following 20 observations are obtained from a random number generator 0.48, 0.10, 0.29, 0.31, 0.86,...

The following 20 observations are obtained from a random number generator
0.48, 0.10, 0.29, 0.31, 0.86, 0.91, 0.81, 0.92, 0.27, 0.21,
0.31, 0.39, 0.39, 0.47, 0.84, 0.81, 0.97, 0.51, 0.59, 0.70
Test H0: m ≤ 0.25 against H1: m > 0.25 at α=0.01

Solutions

Expert Solution

orchestra answered 1 year ago

Next > < Previous

Related Solutions

A) The following observations are obtained when a random sample is drawn from a normally distributed...

A) The following observations are obtained when a random sample is drawn from a normally distributed population: [7.472, 37.89, 21.32, 25.99, 15.8] Use this information to test the null hypothesis H0:σ2=60 against the alternative hypothesis HA:σ2>60. a) What is the value of the test statistic χ2? Round your response to at least 3 decimal places. b) The P-value falls within which one of the following ranges: A P-value > 0.10 B 0.05 < P-value < 0.10 C 0.025 < P-value...

Using MS Excel and the random number generator function, generate values for 30 observations for the...

Using MS Excel and the random number generator function, generate values for 30 observations for the following columns with average daily: Body weight with random values between 100 and 250lbs Calories intake with random values between 1000 and 3000 calories Workout duration with random values between 0 and 60 minutes Sleep duration with random values between 2 and 12 hours Work duration with random values between 0 and 12 hours Assuming that the values are averages over 1 year, conduct...

The following values were sampled independently from F(x). 0.86 0.48 4.43 0.87 2.51 Find the empirical...

The following values were sampled independently from F(x). 0.86 0.48 4.43 0.87 2.51 Find the empirical cdf for these data, and add 80% confidence band limits. Summarize the information in a table with columns for the estimated cdf Fˆ(x), the range for x, and the lower and upper band limits.

4. The following are 20 observations of response times (in seconds) from a random sample of...

4. The following are 20 observations of response times (in seconds) from a random sample of participants on a cognitive psychology task: 1.7 0.8 4.3 2.9 2.3 1.1 2.2 1.8 2.0 1.2 4.4 1.6 3.8 1.5 2.8 3.3 1.8 2.5 2.7 1.6 (a) Calculate the mean and unbiased standard deviation of the response times. (b) Construct and interpret a 95% confidence interval for μ, which is the true mean response time. Assume that σ = 1.5. (c) Construct and interpret...

Use a random number generator to produce 1000 normally distributed numbers with a mean of 20

Use a random number generator to produce 1000 normally distributed numbers with a mean of 20 and a variance of 4. Obtain the mean, variance, and histogram of these numbers, and discuss whether they appear normally distributed with the desired mean and variance.

A random number generator picks a number from 7 to 68 in a uniform manner. Round...

A random number generator picks a number from 7 to 68 in a uniform manner. Round answers to 4 decimal places when possible. The mean of this distribution is The standard deviation is The probability that the number will be exactly 42 is P(x = 42) = The probability that the number will be between 16 and 28 is P(16 < x < 28) = The probability that the number will be larger than 48 is P(x > 48) =...

1.) Using excel. A random number generator picks a number from one to nine in a...

1.) Using excel. A random number generator picks a number from one to nine in a uniform manner. X ~ _________ Graph the probability distribution. f(x) = _________ μ = _________ σ = _________ P(3.5 < x < 7.25) = _________ P(x > 5.67) P(x > 5|x > 3) = _________ Find the 90th percentile. 2) using excel A subway train on the Red Line arrives every eight minutes during rush hour. We are interested in the length of time...

A random number generator picks a number from 18 to 64 in a uniform manner. Round...

A random number generator picks a number from 18 to 64 in a uniform manner. Round answers to 4 decimal places when possible. The mean of the distribution is: The standard deviation is: The probability that the number will be exactly 20 is P(x = 20) = The probability that the number will be between 24 and 26 is P(24 < x < 26) = The probability that the number will be larger than 32 is P(x > 32) =...

he following observations are obtained from a random sample of 10 individuals: Individual x y 1...

he following observations are obtained from a random sample of 10 individuals: Individual x y 1 9.47 5.24 2 4.21 3.04 3 6.63 4.58 4 10.7 5.73 5 8.52 4.11 6 10.1 5.57 7 4.92 3.60 8 8.28 5.77 9 7.58 4.30 10 9.21 5.01 Run a t-linear regression test on this data. (HINT: make sure you copy the numbers correctly!) What are the appropriate null and alternative hypotheses? H0:ρ=0H1:ρ<0 H0:ρ=0H1:ρ>0 H0:r=0H1:r>0 H0:r=0H1:r<0 H0:r=0H1:r≠0 H0:ρ=0H1:ρ≠0 What is the correlation coefficient?...

A computer random number generator was used to generate 950 random digits from 0 to 9....

A computer random number generator was used to generate 950 random digits from 0 to 9. The observed frequencies of the digits are given in the table below. 0 1 2 3 4 5 6 7 8 9 88 82 97 84 87 87 95 93 90 147 Using a 0.05significance level, test the claim that all of the digits are equally likely. (a) Find the rejection region. Reject H0 if χ2> (b) Find the test statistic. (Round your final...

Subjects