With reference to this data what is the number of samples (n)? Table 2. Total number of cells in a field of view of Allium cepa, with numbers of cells in prophase (P), metaphase (M), anaphase (A) and telophase( TTotalMA141152145218431461461371462511147135.150151010415424121552711715925196.16022111611614166245171188.29.1722551751542177271417914108.180281911311941233

The sample size refers to the number of survey responses that have been completed. A sample is named…

Answered: With reference to this data what is the…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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The mean weight of loaves of bread produced at the bakery where you work is supposed to be 1 pound. You are the supervisor of quality control at the bakery, and you are concerned that new employees are producing loaves that are too light. Suppose you weigh an SRS of bread loaves and find that the mean weight is 0.975 pound. What are the appropriate hypotheses for performing this significance test? Ho : x = 1; H. : x < 1 where i = the sample mean weight (in pounds) of bread loaves produced at the bakery. Ho : u = 1; H. : µ < 1 where u = the true mean weight (in pounds) of bread loaves produced at the bakery. Ho : µ < 1; H, : H = 1 where u = the true mean weight (in pounds) of bread loaves produced at the bakery. Ho : u = 1; H. : p = 0.975 where u= the true mean weight (in pounds) of bread loaves produced at the bakery. Ho : u = 1; H. : u # 1 where u= the true mean weight (in pounds) of bread loaves produced at the bakery.
A packing plant fills bags with cement. The weight X kg of a bag of cement can be modelled by a Normal distribution with mean 50 kg and standard deviation of 2kg. a) If a bag is selected is at random, find the probability that the weight of the bag is greater than 55 kg. b) If three bags are selected at random, find the probability that 2 bags weigh more than 55 kg. c) Compute the probability in part a using RStudio.
The homogeneity of the chloride level in a water sample from a lake was tested by analyzing portions drawn from the top and from near the bottom of the lake, with the following results in ppm Cl: Top Bottom 26.30 26.22 26.43 26.32 26.28 26.20 26.19 26.11 26.49 26.42 (a) Apply the t-test at the 95% confidence level to determine if the chloride level from the top of the lake is different from that at the bottom. At 95% confidence t crit = , and t = . Since t (>,<,=) we conclude that (a,no) significant difference exists at the 95% confidence level. (b) Now use the paired t-test and determine whether there is a significant difference between the top and bottom values at the 95% confidence level. At 95% confidence t crit = and t = . Since t (>,<,=) we conclude that (a,no) significant difference exists at the 95% confidence level. (c) Why is a different conclusion drawn from using the paired t-test than from just pooling the data and using…
In spectrophotometry, we measure the concentration of an analyte by its absorbance of light. A low concentration sample was prepared, and nine replicate measurements gave absorbances of: 0.0047, 0.0054, 0.0062, 0.0060, 0.0046, 0.0056, 0.0052, 0.0044, 0.0058. Nine reagent blanks gave values of: 0.0006, 0.0012, 0.0022, 0.0005, 0.0016, 0.0008, 0.0017, 0.0010, and 0.0011. a) What is the absorbance detection limit? This is related to both the scatter of the blank and the scatter in the measured samples.
What is the function of QA and QC? Write the difference between QA and QC? Please answer at your own easy words .
Two classes were tested to compare the class average on the final exam. Both classes were given the same final exam. One class was allowed to use their study guide on the final and the other class was not. Identify the CONTROLLED VARIABLE in the problem. 37.
if the assumption for hardy-weinberg are always being violated, then how can these equations still be useful? Quizlet
Using the data below, calculate the correlation: covariance -0.9 standard deviation(x) = 10.5 standard deviation(y) = 10.4 (calculate to 2 significant figures)
Compare the 95% confidence interval for the difference between two true means with the 95% confidence interval for an individual true kean. Describe one way in which these two equations are similar and state four ways in which these equations differ.
If there are 300 people with phenylketonuria in a population of 3,000,000, what is the frequency of carriers in the population? Assume that the population is in a hardy Windburg equilibrium with regards to the street. Show your calculations.
What if all the data above was the same EXCEPT with the change of G & X? Their new data is below. Would base X still be T? G & X [G] = 0.0447315M [X] = 0.0447315M [GX] = 0.0026845M 1.3416
What are the principle and basic concepts of SHAEFFER-FULTON METHOD? (please explain it thoroughly in a lengthy but clear explanation, thank you so much.)

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