What is the standard deviation of the sample means called? What is the formula for this standard deviation? The standard error of the mean: n O The average error of the mean: O The standard error of the mean: In O The average error of the mean: The standard error of the mean: 2 n

A printing company spends specific amounts on fixed costs every month. The costs of those fixed costs are in the table. Monthly fixed costs Monthly charges Bank charges Cleaning Computer expense Lease payments Postage Uniforms Monthly cost ($) 373 2691 2606 2580 2535 2165 Find the sample's mean, median, range, variance, and standard deviation using technology. Round to the nearest cent, if necessary. I The mean is The median is The range is The variance is The standard deviation is

To describe a normal distrribution, whicch two of the following are absolutely necesssary?   Group of answer choices the standard deviation (or variance) of the distribution the median of the distribution the shape of the distribution the maxmium and minimum of the distribution the mean of the distributionn the size of the distribution

Normal Distribution The following table shows the temperature at noon on February 21, 2018 in 5 different Canadian cities. Calculate the z-score for each temperature measurement, and find which city was experiencing the most "exceptional" (out-of-ordinary) temperature on that day. City Temp. on February 21 Average Temp. in February Std. Deviation z-score Montreal 3.4 -7.7 2.7   Toronto 3.2 -4.5 2.3   Vancouver -3.3 4.9 1.5   Regina -27 -11.7 4.2   Halifax 5.4 -5.2 2   The city with the most "exceptional" (out-of-ordinary) temperature on that day is choose: -Montreal -Toronto -Vancouver -Regina -Halifax

I need help answering a-e please

Variance and Standard Deviation For each data set below, calculate the sum of squares, range, and the sample variance and standard deviation. 1. 39, 42, 40, 37, 41, 56 2. 100, 4, 7, 96, 80, 30, 42, 2 3. 100, 4, 7, 30, 80, 30, 42, 2, 15, 87, 4 4. 78, 79, 79, 69, 28, 57, 11, 3, 99, 2, 85, 88, 81

In dependent samples t test, you calculate the standard deviation for the _______. Group of answer choices sample scores average scores population scores difference scores

Use the following raw scores to answer the questions below. 29      21     19     29     20     28     28     29     32      29     15   19 = _____%tile   Find the Mean and Standard Deviation of the scores in Excel. mean   =                      Standard Deviation =   Convert the first three raw scores in the list on the previous page (29, 21, & 19) to z-scores.   29 = ___________         21 = ____________           19 = _____________   You administer a psychological test that has a normal distribution in the population. You know the Mean = 100 and the Standard Deviation = 15. Order the following (a-e) from smallest to largest.   Raw Score of 86 Z-Score of 1.5 Percentile Rank of 98% Score that is 0.5 Standard Deviations below the Mean T-score of 80   _________    _________    _________    _________    _________   Eleanor scores 690 on the SAT math test. The normal distribution of SAT math scores has a mean of 500 and standard deviation of 100.  Gerald takes the American…

Find the variance and standard deviation for the sample

Find the z score for test scores of 70 _____ and 90 ______.