The data values for a certain sample are given in the following (1 frequency table frequency Class limits 6 2-4 10 5-7 2
Posted: Fri Dec 24, 2021 10:06 am
- The Data Values For A Certain Sample Are Given In The Following 1 Frequency Table Frequency Class Limits 6 2 4 10 5 7 2 1 (64.95 KiB) Viewed 74 times
The data values for a certain sample are given in the following (1 frequency table frequency Class limits 6 2-4 10 5-7 2 8-10 4 11-13 1 14-16 Pa) What is the sample size ?b) What is the mark (midpoint) of the 5" class ? c) What is the class width ?d) What are the boundaries of the 4th class Te) Show the relative of frequency distribution 21) Show the cumulative of frequency distribution 9) Find the mean A population has a mean of 200 and a standard deviation of 50 (2 A sample of size 100 will be taken and the sample mean x will be used to estimate the population mean ?a. What is the expected value of x ?b. What is the standard deviation of x Assuming a sample of 144 students, if the sample mean of (3 student marks is 75. Assuming the sample variance is 64 Pobtain a 95% confidence interval of the population mean