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2. A variable, x, represents the number of gallons of gas purchased at a gas sta

ID: 3050297 • Letter: 2

Question

2. A variable, x, represents the number of gallons of gas purchased at a gas station. What type of variable is the variable x?

quantitative

mutually exclusive

experimental

relative

qualitative

4. The daily total number of students who used the state university swimming pool on 40 days during the summer is as follows.

92

118

89

97

136

107

127

114

151

121

106

128

109

131

148

130

101

108

117

125

131

128

120

144

88

148

85

119

96

117

97

115

141

138

127

109

104

103

130

158


Form a frequency table with the classes 85–99, 100–114, 115–129, 130–144, and 145–159.

quantitative

mutually exclusive

experimental

relative

qualitative

4. The daily total number of students who used the state university swimming pool on 40 days during the summer is as follows.

92

118

89

97

136

107

127

114

151

121

106

128

109

131

148

130

101

108

117

125

131

128

120

144

88

148

85

119

96

117

97

115

141

138

127

109

104

103

130

158


Form a frequency table with the classes 85–99, 100–114, 115–129, 130–144, and 145–159.

Explanation / Answer

2:

Since number of gallons can be meausred so it is a qualtitaive variable.

3;

Following table shows the frequency distribution:

Class Frequency 85-99 7 100-114 9 115-129 12 130-144 8 145-159 4 Total 40