1 sample t test example

The critical t value for a sample size of 15 is - 1.542. The test is left tailed. What is the interval of p -value in the t test? => between 0.10 and 0.20 or between 1.345 and 1.761 or between 0.05 and 0.10 or cannot be..

Select the incorrect statement. I. For a 95% confidence interval for the mean, when the sample size is 26, the value of t ∝ /2 is 2.036. II. For a 98% confidence interval for the mean, when the sample size is 19, the value of t ∝ /2 is 2.552. III. F..

Samples of concrete blocks were tested in a lab to determine the crushing strength of the concrete. The crushing strength of block E was missing from the final records. The sample mean of the crushing strength was recorded as 4.45 tonnes/cm 2 . Find the crushing streng..

An experiment repeated under essentially homogeneous and similar conditions results in an outcome, which is unique or not unique but may be one of the several possible outcomes. When the result is unique then the experiment is called a 'deterministic' experime..

An experiment repeated under essentially homogeneous and similar conditions results in an outcome, which is unique or not unique but may be one of the several possible outcomes. When the result is unique then the experiment is called a deterministic experiment . Any experim..

Overview of methods of data collection: Census Sample survey Experiment Observational study Planning and conducting surveys: Characteristics of a well-designed and well-conducted survey Populations, samples, and random selection Sources of bias in s..

It is the time taken by the particle executing SHM, to complete one oscillation i.e., a to and fro motion. It will be equal to the time taken by the body to complete one revolution or the circle of referen..

refers to the process of taking instantaneous values of the message signal at regular intervals (in the case of uniform sampling.) This makes the time-frame (of the analog signal) discrete. Most pulse systems are based on sampling of the information signal amplitude at periodi..

01. A point charge of 1.8 m C is at the centre of a cubical Gaussain surface having each side 50cm. What is the net electric flux through the surfac..

The total cost of 5 T-shirts is $250. Find the cost of one T-shirt. => $40 or $45 or $50 or $60..