Decide if each statement is true or false. Explain your reasoning using 2-4 sentences. 1. The standard deviation of Christchurch's temperatures is zero because the data is symmetric.
2. The standard deviation of St. Louis's temperatures is equal to the standard deviation of Chicago's temperatures.
3. The standard deviation of Chicago's temperatures is less than the standard deviation of London's temperatures.
Please help me.

Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.