Assignment: Positive skew Frequency polygon
Assignment: Positive skew Frequency polygon
Assignment: Positive skew Frequency polygon
NR714 Week 7 Module 7 Quiz Latest 2017 November (all correct answers) Question 1 3.25 / 3.25 pts What is the name of a curve that is symmetrical? Normal Negative skew Positive skew Frequency polygon Question 2 3.25 / 3.25 pts The median is the: Average The Middle score The range of highest and lowest scores The most frequent score Question 3 3.25 / 3.25 pts Does the 68% rule apply if the distribution is not normal? Yes No Question 4 3.25 / 3.25 pts A deck of card has 3 black and 7 red cards. What is the probability of drawing a black card? .01 .30 .7 1.0 Question 5 3.25 / 3.25 pts p=.05 means the following 90% confident of an occurrence not due to chance 5% confident of an occurrence not due to chance 95% confident of an occurrence not due to chance 100% confident of an occurrence not due to chance Question 6 3.25 / 3.25 pts Probability (p) value is also know as: Frequency Alpha Power Range Question 7 3.25 / 3.25 pts The 68/95/99.7 Rule tells us that: 95% of scores fall within 1 SD of the mean. 95% of all scores fall within 2 SD of the mean. 68% of all scores fall within 3 SD of the mean. 100% of scores fall within 1 SD of the mean Question 8 3.25 / 3.25 pts In an asymetrical distribution, when the tail points to the left the skew is: Negative Positive Neutral Normal Question 9 3.25 / 3.25 pts In a normal distribution __________% of values lie within +/- 2 SD from the mean 95 99 100 90 Question 10 3.25 / 3.25 pts Given results of a sample of BSN nursing students. Consider the following M=30 years old, SD=12.5. Assuming a normal distribution, what is the age range of 68% of the students: 18 to 30 years of age 17.5 to 42.5 years of age 12.5 to 30 years of age 18 to 59 years of age
