Difference-null-alternative hypothesis statements

Assignment Help Basic Statistics

Reference no: EM13111761

What is the difference between the null and alternative hypothesis statements in one tailed and two tailed tests? How can manufacturing companies use the standard normal distribution to determine quality control of their products?

Reference no: EM13111761

Questions Cloud

Hypothesis testing for population temperature : In order to monitor the ecological health of the Florida Everglades, various measurements are recorded at different times. The bottom temperatures are recorded at the Garfield Bight station

Information about means and proportions : In the Big Ten (the NCAA sports league) a sample showed that only 267 out of 584 freshmen football players graduated within 6 years. (a) At (alpha) a = .05

Calculating final volume of the bubble : A small bubble rises from the bottom of a lake, where the temperature and pressure are 8ºC and 6.4 atm, to the water's surface, where the temperature is 25ºC and pressure is 1.0 atm.

Confidence level and hypothesis testing : A trans-oceanic airline conducted a study to determine whether the average weight of baggage checked by a passenger differs significantly from 45 pounds.

Difference-null-alternative hypothesis statements : What is the difference between the null and alternative hypothesis statements in one tailed and two tailed tests? How can manufacturing companies use the standard normal distribution to determine quality control of their products?

Calculate the molar mass of the cfc : A chemist found that a certain amount of a CFC gas required 186 seconds to effuse through a porous plug when the pressure was held constant.

Hypothesis testing-difference between means : We wish to compare the average sales in two shops, to see if the population mean of the first one is higher than the second one. One shop had 100 sales averaging $94, with a standard deviation of $40.

Explain how adjusting the ph of your reaction flask : Explain how adjusting the pH of your reaction flask can be used to artificially bypass the effects of the inhibitors used in your experiments. What would you add to your flask if you were actually going to perform this experiment?

Hypothesis article analysis : Prepare an analysis of your selected article. Start by identifying and summarizing the hypothesis described in the article. Then explain whether the hypothesis was rejected or accepted, and what the implications of this finding are for the study.

User Account

All Pages