7. The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest one-tenth of a mile the distance they travel one way from home to work. The six distances are listed below. Find the sample VARIANCE and STANDARD DEVIATION for the given data. Round your final answer to one more decimal place than that used for the observations. Use BOTH the DEFINING Formula and the COMPUTING Formula to find the standard deviation and compare your answers for the 2 methods. 5. 12.7 24.5 t 40.4 +30.8 t 22.5 15.6 2. 3. 24.47 Mean 1니6.5

How exactly do I work out/set up this problem to get my answers?

Can you help me on these pages of homework problem 1.

How do you do these calculations without using excel?

Can the steps be shown in excel please

I need some explanation on these 3 problems.

Can you help me please! How did the mathematical concepts that developed during Arabic period have an impact on modern mathematics? Discuss the cultural and historical setting during Arabic period.

Write out solutions to the following questions. Show all calculations using the formulas. Include all diagrams appropriately labeled. Use proper notation throughout the solution. Think of the assignment as if you were demonstrating to someone how to do these problems. The quality of the work and the neatness and organization of the work will count in the grade.   A random sample of 25 frozen dinners of a certain type was selected from production during a particular period and the calorie content of each one was determined.  The resulting observations are: Calories from Frozen Dinners 255 244 239 242 265 245 259 248 225 226 251 233 266 227 246 240 257 222 237 270 230 260 268 231 238 The stated calorie content is 240 calories.  At the 5% significance level, do the data suggest that the mean calorie content of the frozen dinners differs from 240 calories? State the null and alternative hypothesis Check the conditions.  To determine if the data is approximately normal, using…

I need formula for this problem