Observations

Related BrainMass Solutions

• Work Systems Design

  355 observations How many total observations do you need to estimate the proportion of time Sgt. Nimble spends on the phone?

• Determining Percent of Observations within Given Ranges

  About what percent of the observations lie between 55 and 65 About what percent of the observations lie between 50 and 70 About what percent of the observations lie between 45 and 75 The mean of a normal probability distribution is 60.

• Mean and Mode Observations

  83865 Mean and Mode Observations (a) Determine the median and (b) the mode. 10 observations and no two values were the same? 6 observations and they were all the same? 6 observations and the values were 1, 2, 3, 3, 4, and 4?

• Describe range, variance, standard deviation and calculate values

  a) Range: Largest - Smallest = 9 - 3 = 6 b) Variance = (Sum of the squares of the observations/ No. of observations) - ( Mean)2, Where Mean = Sum of the observations / No. of observations Sum = 77 Mean = 77/11 = 7 Sum of the squares

• 25th and 60th Percentiles for Weight in Pounds of 18 Children

  The mean of the observations in the position are calculated.

• Determine to the nearest tenth the median of these attendance numbers

  If the number of observations (n) is an odd integer, then M = Value of (n+1)/2 th observation in the arrangement of observations in increasing order.

• 2 Statistics Problems on hypothesis tests of Standard deviations

  A random sample of five observations of five observations from the first population resulted in a standard deviation of 12. A random sample of seven observations from the second population showed a standard deviation of 7.

• Regression Equation: Standard Error & Determination Coefficient

  The regression equation (attached) was computed from a sample of 20 observations. SSE was calculated to be 100 and SS total was 400. a. Calculate the standard error of the estimate for the observations. b.

• Probability and Confidence Interval of Normal Distribution

  Use the standard normal distribution to determine the following A 68% of the observations lie between what two values? B 95% of the observations lie between what two values? C 99% of the observations lie between what two values? 13.

• Research Methodology Paper: Observations and Sampling

  The research variables that will be compared and contrasted will be observations and sampling.