An Experiment to Determine the Efficacy of Using 95% Ethanol

question 94

Short Answer

An experiment to determine the efficacy of using 95% ethanol or 20% bleach as a disinfectant in removing bacterial and fungal contamination when culturing plant tissues was repeated 15 times for each disinfectant. The plant tissue being cultured was sweet potato: Five cuttings per plant were placed on a petri dish for each disinfectant and stored at 25 C for 4 weeks. The observation reported was the number of uncontaminated cuttings after the 4-week storage.
a. Is it reasonable to assume that the underlying variances are equal?
______________
b. Are you willing to conclude that there is a significant difference in the mean numbers of uncontaminated eggplants for the two disinfectants tested?
t = ______________
There ______________ evidence of a difference in the mean number of uncontaminated eggplants for the two disinfectants.

Understand the strategies for merging organizational cultures and minimizing culture clashes.

Identify characteristics of adaptive corporate cultures and their implications for organizational success.

Analyze the relationship between organizational culture strength, alignment with the external environment, and business ethics.

Understand the process and purpose of conducting a bicultural audit in mergers and acquisitions.

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Definitions:

EAR

Effective Annual Rate; the actual interest rate an investor or borrower receives or pays after compounding interest is taken into account over a year.

Actual Rate

The interest rate that is actually earned or paid on an investment, loan, or other financial product.

Interest

The cost of borrowing money, typically expressed as a percentage of the amount borrowed.

Credit Card

A plastic card issued by a bank allowing the holder to purchase goods or services on credit.