Could someone please help answer this, thank you, will give brainliest, plz no spam (home work help) thanks!

Use this data in the problem below. follow the steps carefully. round to the nearest tenth. lot 3: week 1: 345 week 2: 340 week 3: 400 week 4: 325 step 1. jim enters the data and calculates the average or mean. step 2. jim calculates the deviation from the mean by subtracting the mean from each value. step 3. jim squares each deviation to remove negative signs. step 4. jim sums the squares of each deviation and divides by the count for the variance. step 5. jim takes the square root of the variance to find the standard deviation.

Need this asap if anyone can i would be very grateful. if you could show workings that would really

What is the measure of angle tvu shown in the diagram below