15.When a distribution is bell-shaped, approximately what percentage of data values will fall within 1 standard...
15.When a distribution is bell-shaped, approximately what
percentage of data values will fall within 1 standard
deviation of the mean?
a. 50% c. 95%
b. 68% d. 99.7%
21. If the mode is to the left of the median and the mean
is to the right of the median, then the distribution is
_________ skewed.
Homework Answers
15) Solution :
A distribution is bell-shaped, approximately 68% percentage of data values will fall within 1 standard deviation of the mean .
P(
- 1
<
X <
+ 1)
= 68%
21)
Right skewed
Add Answer to:
15.When a distribution is bell-shaped, approximately what
percentage of data values will fall within 1 standard...
The empirical rule states that, for data having a bell-shaped distribution, the percentage of data values...
The empirical rule states that, for data having a bell-shaped distribution, the percentage of data values being within one standard deviation of the mean is approximately t of Select one: a. 33%. b, 50% C. 68%. d. 95%.
A distribution of numbers is approximately bell-shaped. If the mean of the numbers is 129 and...
A distribution of numbers is approximately bell-shaped. If the
mean of the numbers is 129 and the standard deviation is 15,
a. between what two numbers would approximately
68% of the values fall?
between
_____ and ______
b. Between what two numbers would 95% of the
values fall?
between
_____ and _______
c. Between what two values would 99.7% of the
values fall?
between
______ and ______
Consider a bell-shaped symmetric distribution with mean of 128 and standard deviation of 3. Approximately what...
Consider a bell-shaped symmetric distribution with mean of 128 and standard deviation of 3. Approximately what percentage of data lie between 119 and 128? A)68% B)99.7% C)49.85% D)47.5% E)95%
In a bell-shaped data set, the percentage of values that is within plus/minus two standard deviations...
In a bell-shaped data set, the percentage of values that is within plus/minus two standard deviations of the mean value is about A. 50% B. 70% C. 85% D. 95% E. I do not know
The mean of a set of data that follows a "bell-shaped" distribution is 236 grams. The...
The mean of a set of data that follows a "bell-shaped" distribution is 236 grams. The standard deviation is 11 grams. Approximately 95% of the data values are within _________ grams of the mean.
Data are drawn from a bell-shaped distribution with a mean of 80 and a standard deviation...
Data are drawn from a bell-shaped distribution with a mean of 80 and a standard deviation of 4 a. Approximately what percentage of the observations fall between 72 and 88? (Round your answer to the nearest whole percent.) Percentage of observations b. Approximately what percentage of the observations fall between 68 and 92? (Round your answer to the nearest whole percent.) Percentage of observations c. Approximately what percentage of the observations are less than 76? (Round your answer to 1...
Data are drawn from a bell-shaped distribution with a mean of 95 and a standard deviation...
Data are drawn from a bell-shaped distribution with a mean of 95 and a standard deviation of 6. a. Approximately what percentage of the observations fall between 83 and 107? (Round your answer to the nearest whole percent.) b. Approximately what percentage of the observations fall between 77 and 113? (Round your answer to the nearest whole percent.) c. Approximately what percentage of the observations are less than 83? (Round your answer to 1 decimal place.)
0.In a normal distribution, plus and minus 2 standard deviations from the mean will include about...
0.In a normal distribution, plus and minus 2 standard deviations from the mean will include about what percent of the observations? A) 50% B) 99.7% C) 95% D)68% 21. What is the area under the normal curve between z -0.0 and z-2.0 A) 1.0000 B) 0.7408 C) 0.1359 D) 0.4770 22. Which of the following is NOT a characteristic of the normal probability distribution? A) Positively-skewed B) Bell-shaped C) Symmetrical D) Mean Mode and median are all equal 23. A...
13. Using the Empirical Rule of a bell-shaped distribution, approximately what percent of data values lie...
13. Using the Empirical Rule of a bell-shaped distribution, approximately what percent of data values lie within two standard deviations of the mean?
Data are drawn from a bell-shaped distribution with a mean of 100 and a standard deviation...
Data are drawn from a bell-shaped distribution with a mean of 100 and a standard deviation of 4. a) Approximately why percentage of the observations fall between 92 and 108? - b) Approximately what percentage of the observations fall between 88 and 112? - c) Approximately what percentage of the observations are less than 96? - I’m having a lot of trouble with these, please explain each problem and show work.
The empirical rule states that, for data having a bell-shaped distribution, the percentage of data values being within one standard deviation of the mean is approximately t of Select one: a. 33%. b, 50% C. 68%. d. 95%.
A distribution of numbers is approximately bell-shaped. If the
mean of the numbers is 129 and the standard deviation is 15,
a. between what two numbers would approximately
68% of the values fall?
between
_____ and ______
b. Between what two numbers would 95% of the
values fall?
between
_____ and _______
c. Between what two values would 99.7% of the
values fall?
between
______ and ______
Data are drawn from a bell-shaped distribution with a mean of 80 and a standard deviation of 4 a. Approximately what percentage of the observations fall between 72 and 88? (Round your answer to the nearest whole percent.) Percentage of observations b. Approximately what percentage of the observations fall between 68 and 92? (Round your answer to the nearest whole percent.) Percentage of observations c. Approximately what percentage of the observations are less than 76? (Round your answer to 1...
0.In a normal distribution, plus and minus 2 standard deviations from the mean will include about what percent of the observations? A) 50% B) 99.7% C) 95% D)68% 21. What is the area under the normal curve between z -0.0 and z-2.0 A) 1.0000 B) 0.7408 C) 0.1359 D) 0.4770 22. Which of the following is NOT a characteristic of the normal probability distribution? A) Positively-skewed B) Bell-shaped C) Symmetrical D) Mean Mode and median are all equal 23. A...
13. Using the Empirical Rule of a bell-shaped distribution, approximately what percent of data values lie within two standard deviations of the mean?
Most questions answered within 3 hours.
-
In the Chesapeake region during the mid-17th
century how similar was the experience of an independent...
asked 1 hour ago -
. A 2.50 M stock solution was used to prepare a dilute NaOH
solution with a...
asked 2 hours ago -
Write a program that reads in a text file, infile.txt, and
prints out all the lines...
asked 4 hours ago -
Which of the following orbits have a total of zero energy (based
on the common convention)?...
asked 4 hours ago -
Find the expected count and the contribution to the chi-square
statistic for the (Group 1, No)...
asked 6 hours ago -
Suppose you are purchasing a meal and with every meal a you
receive one of 10...
asked 6 hours ago -
A 75.0 kg 0erson is riding in a car moving at 20.0 m/s when the
car...
asked 6 hours ago -
What does Δp = QR mean in words?
Pushing a viscous fluid through a pipe requires...
asked 6 hours ago -
We know that system.out.println (“object number” + n ); is
legal.String name; int n; name =...
asked 6 hours ago -
Come up with a real-life problem (open-ended) and solve it by
designing and writing a Java...
asked 6 hours ago -
Power Music owns five music stores, where it sells music,
instruments, and supplies. In addition, it...
asked 6 hours ago -
True or false and
why:
Given the following sequence of numbers to be
inserted {4,5,6,1,2,3,8,7}, the...
asked 6 hours ago