Write the ratio as a fraction in simplest form: 5/4 inches to 2/3 inch

Tori examined the pattern of exponents in the table. based on the pattern, which statements are true? check all that apply.

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.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.