A very large data set (N > 10,000) has a mean value of 32.9 units and...
A very large data set (N > 10,000) has a mean value of 32.9 units and a standard deviation of 1.6 units. Determine the range of values in which 50% of the data set should be found assuming normal probability density (find a in the equation xi = x' ± a).
Homework Answers
Add Answer to:
A very large data set (N > 10,000) has a mean value of 32.9 units and...
A very large data set (N > 10,000) has a mean value of 335 units and...
A very large data set (N > 10,000) has a mean value of 335 units and a standard deviation of 10.5 units. Determine the range of values in which 90% of the data set should be found assuming normal probability density (find a in the equation xi = x' ± a).
A very large data set (N > 10,000) has a mean value of 876.7 units and...
A very large data set (N > 10,000) has a mean value of 876.7 units and a standard deviation of 12.5 units. Determine the range of values in which 70% of the data set should be found assuming normal probability density (find a in the equation xi = x' ± a).
A very large data set (N > 10,000) has a mean value of 1.47 units and...
A very large data set (N > 10,000) has a mean value of 1.47 units and a standard deviation of 0.035 units. Determine the range of values in which 95% of the data set should be found assuming normal probability density (find a in the equation xi = x' ± a).
Question 4 0.5 pts A data set has a mean of 44. In this data set,...
Question 4 0.5 pts A data set has a mean of 44. In this data set, a raw score X-40 corresponds to the standardized score z-1. What is the standard deviation for this data set? Hint:take advantage of the formula for Z-score Question 5 0.5 pts A data set has a standard deviation of 2.5. In this data set, a raw score X-30 corresponds to the standardized score z = 1.30. What is the mean of this data set? Hint:take...
Determine whether the given value is from a discrete or continuous data set. When a car...
Determine whether the given value is from a discrete or continuous data set. When a car is randomly selected, it is found to have 3 wipers. A. A discrete data set because there are a finite number of possible values. B. A continuous data set because there are infinitely mamy possible values and those values cannot be counted. O C. A continuous data set because there are infinitely many possible values and those values can be counted. OD. The data...
4. The normal distribution is written as X-N(121, 162). a. State the mean value and the...
4. The normal distribution is written as X-N(121, 162). a. State the mean value and the standard deviation. [2 marks] Mean: Standard Deviation: b. Using the normal curve below, shade the area under the range 89 < X < 137. Be sure to label the mean as well as the values for up to 3 standard deviations above and below. [2 marks] c. What percentage of data lies within the shaded region? [1 mark] 5. The entry in the standard...
If the mean of a data set is 92 and standard deviation is 20, what is the typical range of values?
If the mean of a data set is 92 and standard deviation is 20, what is the typical range of values?
If the mean of a data set is 92 and standard deviation is 20, what is the typical range of values?
a. A data set has n items. The sum of the items is 800 and the...
a. A data set has n items. The sum of the items is 800 and the mean is 20. Find n b. The standard deviation of this data set is 3. Each value in the set is multiplied by 10. Write down the value of the new mean. c. Find the value of the new variance.
Assuming the sample comes from a normal population, manufacturers tested 50 units and found the mean...
Assuming the sample comes from a normal population, manufacturers tested 50 units and found the mean time between failures to be 2607 minutes, and the sample standard deviation to be 675. Find a 95% CI for the mean time between failures.
Use the accompanying data set on the pulse rates (in beats per minute) of males to...
Use the accompanying data set on the pulse rates (in beats per minute) of males to complete parts (a) and (b) below. LOADING... Click the icon to view the pulse rates of males. a. Find the mean and standard deviation, and verify that the pulse rates have a distribution that is roughly normal. The mean of the pulse rates is 71.7 beats per minute. (Round to one decimal place as needed.) The standard deviation of the pulse rates is 12.2...
Question 4 0.5 pts A data set has a mean of 44. In this data set, a raw score X-40 corresponds to the standardized score z-1. What is the standard deviation for this data set? Hint:take advantage of the formula for Z-score Question 5 0.5 pts A data set has a standard deviation of 2.5. In this data set, a raw score X-30 corresponds to the standardized score z = 1.30. What is the mean of this data set? Hint:take...
Determine whether the given value is from a discrete or continuous data set. When a car is randomly selected, it is found to have 3 wipers. A. A discrete data set because there are a finite number of possible values. B. A continuous data set because there are infinitely mamy possible values and those values cannot be counted. O C. A continuous data set because there are infinitely many possible values and those values can be counted. OD. The data...
4. The normal distribution is written as X-N(121, 162). a. State the mean value and the standard deviation. [2 marks] Mean: Standard Deviation: b. Using the normal curve below, shade the area under the range 89 < X < 137. Be sure to label the mean as well as the values for up to 3 standard deviations above and below. [2 marks] c. What percentage of data lies within the shaded region? [1 mark] 5. The entry in the standard...
If the mean of a data set is 92 and standard deviation is 20, what is the typical range of values?
If the mean of a data set is 92 and standard deviation is 20, what is the typical range of values?
Most questions answered within 3 hours.
-
If you’re standing at the bottom of a hill and asked to evaluate
it while being...
asked 34 minutes ago -
1. Which region has taken the lead in the world of
e-waste handling?
a) European Union...
asked 27 minutes ago -
A 8.15- g bullet from a 9-mm pistol has a velocity of 366.0 m/s.
It strikes...
asked 1 hour ago -
The outstanding bonds of Alpha Extracts have a yield to maturity
of 7.4 percent and a...
asked 1 hour ago -
The Problem: The Case of the Harmonizing Vacations
Your CEO is exploring partnering with a European...
asked 3 hours ago -
A chemical equation is balanced by adding coefficients in front
of some formulas so that the...
asked 3 hours ago -
From the literature (reference your sources): What are the
lattice parameters of calcite and aragonite? Why...
asked 4 hours ago -
Your system is rejecting the question am asking which is
preceded by a case study. It...
asked 4 hours ago -
3. On January 2, 2000, Larry creates a trust with himself as
trustee. Larry as trustee...
asked 4 hours ago -
A member of the volleyball team spikes the ball. During this
process, she changes the velocity...
asked 4 hours ago -
Are adult gamers less likely to use a gaming console (Xbox,
PlayStation, Wii, etc...) than teen...
asked 5 hours ago -
The University of
Texas recently reported that 43% of college students aged 18-24
would spend their...
asked 5 hours ago