Answer:
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➪-263
Step-by-step explanation:
-3x²-20
-3(-9)²-20
-3(81)-20
-243-20
-263
SOLUTION
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Write the given set of values
STEP 2: Write the formula for calculating the Standard deviation of a set of numbers
STEP 3: Calculate the mean
STEP 4: Calculate the Standard deviation
Hence, the standard deviation of the given set of numbers is approximately 76.68 to 2 decimal places.
STEP 5: Calculate the First and third quartile
STEP 6: Find the Interquartile Range
Hence, the interquartile range of the data is 116
Answer:
The approximate volume is
Step-by-step explanation:
we know that
The exact volume of the cylinder is
so
To find the approximate volume of the cylinder, substitute the term by the approximate value of and then multiply
so