Homework Answers
There is little difference between the two. both tell how close our results were.
The formula is given by:
%age error = (experimantal value - theoretical value) / theoretical value
The experimental value is your calculated value, and the theoretical value is your known value. A percentage very close to zero means you are very close to your targeted value. If there is a big error then it must be rectified untill we get a value within our accuracy range.
The average deviation of a set of data is the average distance between each data value and the mean value. This mean value may or may not be close to the target value.
Add Answer to:
6 Both the average deviation and the % erro difference between average deviation and % error?...
The owner of a local supermarket wants to estimate the difference between the average number of...
The owner of a local supermarket wants to estimate the difference between the average number of gallons of milk sold per day on weekdays and weekends. The owner samples 24 weekdays and finds an average of 242.462 gallons of milk sold on those days with a standard deviation of 36.143. 28 Saturdays and Sundays are sampled and the average number of gallons sold is 335.717 with a standard deviation of 43.83. If a 95% confidence interval is calculated to estimate...
The difference between the standard error and the standard deviation is that a.The standard deviation of...
The difference between the standard error and the standard deviation is that a.The standard deviation of the population bThe standard deviation of the sample cThe standard error is the standard deviation of the sampling distribution dthe standard deviation of the sample or the population, depending on the judgment of the researcher
What is the difference between standard deviation and standard error and what is the formula relating...
What is the difference between standard deviation and standard error and what is the formula relating the two measures?
a) b) In order to estimate if there is astatistical difference between the average hourly wages...
a)
b)
In order to estimate if there is astatistical difference between the average hourly wages of employees of two branches of a department store, two independent random samples were selected and the following statistics were calculated. Downtown Store North Mall Store 25 20 Sample size Sample mean Sample standard deviation $9 $8 $2 $1 For alpha= 1, the null hypothesis should be rejected should not be rejected should be revised None of the answers is correct. A statistics teacher...
Use the difference between the average acceleration (right->left) and average acceleration (left->right) to calculate the tilt...
Use the difference between the average acceleration (right->left) and average acceleration (left->right) to calculate the tilt or deviation of the track. Use the percentage difference between the two to suggest what the percentage deviation of the track is from perfectly level. acceleration right = 0.030 m/s^2 acceleration left = 0.025 m/s^2. how do I find the tilt and to find the percentage deviation of the track is form perfectly level?
On a regression output, which gives the average size of deviation between observed y and predicted...
On a regression output, which gives the average size of deviation between observed y and predicted y? a. Multiple R-Squared b. F-Statistic c. Adjusted R-Square d. Residual standard error
In order to estimate the difference between the average yearly salaries of top managers in private...
In order to estimate the difference between the average yearly salaries of top managers in private and governmental organizations, the following information was gathered Private Governmental 50 90 Sample Size Sample Mean (in $1,000s) Sample Standard Deviation (in S1,000s) 60 80 Develop an interval estimate for the difference between the average salaries of the two sectors. Let α,05.
4. Calculating the standard deviation and the estimated standard error for the sample mean difference Aa...
4. Calculating the standard deviation and the estimated standard error for the sample mean difference Aa Aa A researcher is interested in hamster wheel-running activity during the summer versus the winter. He suspects that either the hamsters will run less during the winter to conserve energy or they will run more to keep warm. He records the activity of n = 16 hamsters during June, July, and August and compares their running-wheel revolutions per hour to the activity of the...
A reading specialist suspects that there is a difference in the average reading speed between senior...
A reading specialist suspects that there is a difference in the average reading speed between senior boys and senior girls at her high school. To test her claim, random samples of 25 senior boys and 25 senior girls were selected. The reading speed of each student was measured. The reading specialist uses the data obtained to test the hypotheses H0: μboys - μgirls = 0 versus Ha: μboys - μgirls ≠ 0, where μboys and μgirls are the true mean...
The approximate standard error of the difference between population proportions uses the sample proportions to estimate...
The approximate standard error of the difference between population proportions uses the sample proportions to estimate the values of the population proportions when determining the standard deviation. Select one: True False
a)
b)
In order to estimate if there is astatistical difference between the average hourly wages of employees of two branches of a department store, two independent random samples were selected and the following statistics were calculated. Downtown Store North Mall Store 25 20 Sample size Sample mean Sample standard deviation $9 $8 $2 $1 For alpha= 1, the null hypothesis should be rejected should not be rejected should be revised None of the answers is correct. A statistics teacher...
In order to estimate the difference between the average yearly salaries of top managers in private and governmental organizations, the following information was gathered Private Governmental 50 90 Sample Size Sample Mean (in $1,000s) Sample Standard Deviation (in S1,000s) 60 80 Develop an interval estimate for the difference between the average salaries of the two sectors. Let α,05.
4. Calculating the standard deviation and the estimated standard error for the sample mean difference Aa Aa A researcher is interested in hamster wheel-running activity during the summer versus the winter. He suspects that either the hamsters will run less during the winter to conserve energy or they will run more to keep warm. He records the activity of n = 16 hamsters during June, July, and August and compares their running-wheel revolutions per hour to the activity of the...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago