(02.04 LC)
There are two types of hot-water heaters: tank and inline. An experiment is to be
conducted to determine whether the life of the hot-water heater is the same for both
types of hot-water heaters. In previous studies, it was determined that family size (small,
medium, large) is associated with life expectancy of the water heater, but house size
(small, medium, large) is not associated with life expectancy of the water heater How
would blocking best be used? (4 points)
By blocking on house size
By blocking on type of hot water heater
Blocking is not suggested
By blocking on family size
By blocking on life expectancy

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.

570, the answer is 570, hope it

the weight of the object inside the box!

answer by jkismyhusbandbae:

a) how close a measured value is to the actual (true) value.

  measure of length.   there are 12 inches in a foot, and 36 inches in a yard.   one inch is exactly 2.54 centimeters.

accuracy is how close something is to an actual answer but it is not exactly correct.