Convenience Simple random sample is the

Increased by $300

85. As part of survey of college students a researcher is interested in the variable class standing. She records a 1 if the student is a freshman, a 2 if the student is a sophomore, a 3 if the student is a junior, and a 4 if the student is a senior. The variable class standing is

categorical

86. If a distribution is symmetrical, which of the following is true?

Mean=mode=median

87. If a distribution is skewed to the right, which of the following is true?

32

88. If a distribution is skewed to the left, which of the following is true?

33 da bor

89. The mean salary of all female workers is $35,000. The mean salary of all male workers is $41,000. What must be true about the mean salary of all workers?

Between $35000 and $41000

90. Which model is not positive ?

91. Which model is not negative ?

92. Which model is not liner ?

93. Which model is simple ?

94. Which correlation is very high?