Define null hypothesis and alternative hypothesis for test

Assignment Help Basic Statistics
Reference no: EM13112096

The mean height of the certain type of plant is 185 centimeters. Assume we want to perform a hypothesis test to see if mean height when these plants are treated with the certain chemical varies from 185. Define the null hypothesis H0 and alternative hypothesis H1 which we would use for this test.

Reference no: EM13112096

Questions Cloud

Question based on thermo dynamics : Given the values of ΔH ° rxn , ΔS ° rxn , and T below, determine ΔS univ. ΔH ° rxn = 80kJ , ΔS rxn = 143J/K , T= 299K Express your answer using two significant figures.
Extent of the research : In addition, explain why it is important to ensure that your participants understand fully the extent of the research before you begin.
Calculate the change in gibbs free energy : Calculate the change in Gibbs free energy for each of the following sets of ΔH ° rxn , ΔS ° rxn , and T .
Reject the null hypothesis : When do you use a one-tailed test? How do you find the critical values for one-and two tailed tests? When do you reject the null hypothesis? Under what circumstances is the null accepted?
Define null hypothesis and alternative hypothesis for test : If mean height when these plants are treated with the certain chemical varies from 185. Define the null hypothesis H0 and alternative hypothesis H1 which we would use for this test.
Determining gibbs free energy for the reaction : If ΔH = -60.0kJ and ΔS = -0.200kJ/K , the reaction is spontaneous below a certain temperature. Calculate that temperature. Express your answer numerically in kelvins.
Show the restriction enzyme cut sites : Show the restriction enzyme cut sites and the base pair distances between the cut sites on a circle. Bam HI= 190bp, 380 bp. Hind III= 570 bp. EcoRI= 165 bp, 405 bp. BamHI and HindIII= 30 bp, 190 bp, 350 bp. BamHI and EcoRI= 75 bp, 90 bp, 115 bp, 2..
Seting up the null and alternative hypotheses : A 1990 census report revealed that the mean distance that U. S. citizens live from their birthplace is 50 miles and that the standard deviation is 15 miles. A random sample of 49 residents of your city yielded a mean distance of 56 miles.
Question based on chemistry change : Determine the sign of ΔS sys and ΔS surr for each chemical reaction.2CO(g)+O 2 (g)?2CO 2 (g)ΔH ° rxn = -566.0 kJ. Choose from:

Reviews

Write a Review

Basic Statistics Questions & Answers

  Mean waiting times in the four locations

At the 0.05 level of significance, is there evidence of a difference in the mean waiting times in the four locations? State your null and alternative hypotheses. (Note: while the small sample size could justify use of the non- parametric Kruskal-W..

  Probability role of the die

A fair die is rolled until win or loss occurs: For k=1 to 5: if a 6 occurs on the kth roll you win N dollars and game ends; if a number

  Drawing inference from large samples

Computing from a large sample, one finds the 95% confidence interval for 956; to be {6.8, 14.2}. Based on this information alone, determine the 90% confidence interval for 956

  Sensitivity of minimum sample size to actual proportion

Inspect table produced in question 2 above. Comment on relative sensitivity of minimum sample size to actual proportion and to desired half width.

  Arithmetic mean-median and probablity

A property of concern for any food company that uses a high-speed carton-filling machine to package juice is the weight of the food product in the individual cartons.

  An instructor claims the average time to take a statistics

An instructor claims the average time to take a statistics test is greater than 39 min. As, if a sample of 33 students took 43 min. is the instructor's claim true?

  Relation of poisson and binomial distribution

If X and Y are two independent Poisson random variables, then show that the conditional distribution of X given X+Y is binomial.

  Probability which is based on z score

A battery manufacturer advertises the average life of its automobile battery is 60 months.what % of batteries should last between 50 and 70 months? The standard deviation is 10 months.

  Describing chebyshev theorem

Let X bar be the average of n such independent measurements. Use Chebychev's inequality to estimate how large n should be such that P(|X bar - M |

  Computing percentage of variance accounted by treatment

Calculate η 2 , the percentage of variance accounted for by treatment.

  Statistics-savings rates in us

According to the Bureau of Economic Analysis, the savings rate of American households, defined as a percentage of the disposable personal income, was 4.20% in 2009.

  Determine measures of central tendency and dispersion

What measure of central tendency is most sensitive to skewness and which is least sensitive? What are measures of central tendency used for? What are measures of dispersion used for?

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