CBEST Math Test Questions with Correct Answers

CBEST Math Test Questions with Correct Answers metric system - Answer-The decimal measuring system based on units of meter for length, kilogram for mass, liter for liquid volume kilo - Answer-1000 times the base hecto - Answer-100 times the base deca - Answer-10 times the base deci - Answer-1/10 times the base centi - Answer-1/100 times the base milli - Answer-1/1000 times the base standard system - Answer-Measurement system based on unit of foot for length, pound for weight, gallon for liquid volume perimeter - Answer-Distance around an object; add length of all sides circumference - Answer-Distance around circle; C=2 x pi r, or C= d x pi rounding - Answer-Type of estimation; express number in terms of nearest decimal or nearest whole number Measures of Center (Central Tendency) - Answer-mean, median, mode mean - Answer-AKA average; 1) add values together, 2) divide by sample size median - Answer-Middle data value; 1) order least to greatest, 2) middle = median, 3) if 2 in middle, add together then divide by 2 mode - Answer-Data value that occurs most often; 1) order least to greatest, 2) find value that occurs most often range - Answer-The difference between the largest and smallest values ratio - Answer-A comparison of two quantities by division percentage - Answer-A ratio that compares a number to 100 probability - Answer-Describes how likely it is that an event will occur; a number from 0- 1; 0=least likely, 1=most likely permutations - Answer-Arrangement of objects where different sequences are counted separately and order is important combinations - Answer-Arrangement of objects where different sequences are not counted separately and order is not important probability experiment - Answer-Action that causes specific results (counts, measurements) outcome - Answer-Result of probability experiment sample space - Answer-Set of all possible outcomes event - Answer-Consists of one or more outcomes; subset of the sample space simple event - Answer-An event consisting of only one outcome classical probability - Answer-AKA theoretical; each outcome in sample space has same chance to occur empirical probability - Answer-Based on actual experiments or observations; the more an experiment is completed, the closer the empirical should get to the classical/theoretical probability addition rule of probability - Answer-Necessary to find the probability of event A or B occurring or both occurring at the same time. if A or B are mutually exclusive, they cannot occur at the same time.