What would be the expected lifespan of approximately 99% of the light bulbs?
VARIABLE MEASUREMENT SCALE
a) Locate, and give the reference for,one article that represents the highest evidence available relating to the changing of intravenous
b)According to the JBI evidence hierarchy (effectiveness domain), what level of evidence is this article?
c) What is the evidence regarding the frequency of administration set changes?
QUESTION 2 (10 marks)
a) Identify the appropriate measurement scale for the following:
Variable Measurement Scale
Time of day (Night, Dawn, Noon, Afternoon, Evening)
Ranking of journals in a category according to impact factor
Presence or absence of infection
b) You construct a survey and create categories for age – what scale is this? Identify one advantage and one disadvantage of measuring the
variable in this way.
QUESTION 3 (2 marks)
The lifespan of light bulbsis normally distributed, with a mean life of 850 hours, and a standard deviation of 20 hours.
a) What would be the expected lifespan of approximately 99% of the light bulbs?
b) What percentage of light bulbs should last for at least830 hours?
QUESTION 4 (8 marks)
The post What would be the expected lifespan of approximately 99% of the light bulbs? appeared first on nursinganswers.org.
Do you need a similar assignment done for you from scratch? We have qualified writers to help you. We assure you an A+ quality paper that is free from plagiarism. Order now for an Amazing Discount! Use Discount Code “Newclient” for a 15% Discount!
NB: We do not resell papers. Upon ordering, we do an original paper exclusively for you.
The post What would be the expected lifespan of approximately 99% of the light bulbs? appeared first on Essay Writers.
“Are you looking for this answer? We can Help click Order Now”
“Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!”
The post What would be the expected lifespan of approximately 99% of the light bulbs? first appeared on nursing writers.