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1. The following table shows the ages of 50 senior citizens who attend a local senior center. Age 56 63 68 73 8088 Frequ
Posted: Wed May 11, 2022 8:32 pm
by answerhappygod
- 1 The Following Table Shows The Ages Of 50 Senior Citizens Who Attend A Local Senior Center Age 56 63 68 73 8088 Frequ 1 (39.67 KiB) Viewed 23 times
1. The following table shows the ages of 50 senior citizens who attend a local senior center. Age 56 63 68 73 8088 Frequency 9 8 18 8 5 2 Relative Frequency 0.18 0.36|0.160.10.04 a. Find the mean, the median, the mode, range, variance and Standard deviation b. Construct a 90% confidence interval for the standard deviation. c. Is there enough evidence to reject the educator's claim that the variance of age is higher than 65? Use a= 0.10.