Sample information-significance level

Assignment Help Basic Statistics
Reference no: EM13113414

The director of golf for the Links Group wishes to study the number of rounds of golf played by members on weekdays. He gathered the following sample information for 520 rounds.

Day Rounds

Monday 124

Tuesday 74

Wednesday 104

Thursday 98

Friday 120

At the .05 significance level, is there a difference in the number of rounds played by day of the week?

Reference no: EM13113414

Questions Cloud

What is the mass of glucose in 362 ml of the solution : A 5.00 % m/m glucose solution has d = 1.02 g/mL. What is the mass of glucose in 362 mL of the solution.
Determining significance level and p-value : She decided to investigate and gather the following sample information. Would it be reasonable for her to conclude that union nurses earn more? Use the .02 significance level. What is the p value?
What is the thickness of the resulting sio2 wafer : A 100 mm diameter silicon wafer is oxidized completely. What is the thickness of the resulting SiO2 wafer? The molecular weight of Si is 28 g/mol and of SiO2 is 60 g/mol.
Determine what percent of the scores lie between range : The mean SAT verbal score is 412, with a standard deviation of 90. Use the Empirical Rule to determine what percent of the scores lie between 412 and 592.
Sample information-significance level : The director of golf for the Links Group wishes to study the number of rounds of golf played by members on weekdays. At the .05 significance level, is there a difference in the number of rounds played by day of the week?
What wt of a will be removed by four successive extraction : The distribution coefficient, k = (conc. in hexanes/ conc. in water), between hexanes and water for solute A is 7.5 . What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction.
What is the tstatistic for the sample : A sample of n = 25 scores has a mean of M = 40 and a variance of s2 = 100. If this sample is being used to test a null hypothesis stating that m = 43, then what is the tstatistic for the sample?
Statistics hypothesis testing-levels of significance : Based on the information in part (a), what decision should the director make about the books used for the courses if the goal is to keep the cost below $300.00?
Test claim that different vehicle categorie-same mean mpg : Use a 5% significance level (95% confidence level) to test the claim that the different vehicle categories have the same mean MPG.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Normal probability-z-score

Lab technicians at a major mdical lab can process an average of 400 blood samples a day with a standard deviation of 50 samples. The processing follows a normal distribution.

  Histogram with the probabilities

Find the probability of each value of X. Draw a histogram to display this distribution. (Because probabilities are long-run proportions, a histogram with the probabilities as the heights of the bars shows what the distribution of X would be in ver..

  Power of test statistic-type second error and sample size

Assuming that a difference (Δ) of 2 lbs. in the mean was important to detect, a maximum Type I Error (α) level of 5%, and the desire to run a two-tailed test, then:

  Independent samples t-test

Explain your answer to someone who is familiar with the  t   test for a single sample, but not with the  t   test for independent means.

  Determine the adult population when probability is given

If jurors are selected randomly from an adult population, a nd the probability that all 12 jurors are white when the population is?

  Probability related to events

Event A occurs with probability 0.2. Event B occurs with probability 0.3. Event C occurs with probability 0.4. If A, B, and C are disjoint, then

  Effects on mean mark and time taken

Kind of examination produced significant main effects on both mean mark and time taken to complete the examination.

  Probability value-occurring of event

A probability value of .25 means that an event will occur:

  Determining the traffic light patterns

A study is conducted to determine if the traffic light patterns at a busy intersection need to be adjusted to help the flow of traffic. Data on the volume of traffic and the traffic patterns during different times of day are recorded.

  Determining the conditional probability

Political prisoners Mathew, Mark, and Luke are told that two of the three are to be executed. Matthew takes the jailer aside and says, "We both know that at least one of the others, Mark or Luke, will be executed

  Example on logistic regression model

Could mud-wrestling be the cause of a rash contracted by University of Washington students in the spring of 1992? Two physicians at the University of Washington health center wondered this when one male and six female students complained of rashes..

  Allocating assets among different investment choices

An issue that faces individuals investing for retirement is allocating assets among different investment choices. A study conducted 10 years ago showed that 65% of investors preferred stocks to real estate as an investment.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd