Question 1 INSTRUCTIONS: SHOW YOUR STEPS/& answer

The following is a set of data from a sample of n= 10 items:

X: 8 5 7 4 7 1 3 5 9 2

Y: 3 6 6 10 9 1 7 3 8 2

i) Construct a scatter plot. Show your work

ii) Is there a relationship between X and Y? If so, how are the variables related? Explain

Question 2 INSTRUCTIONS: SHOW YOUR STEPS/ not just the answer

DATA SET: The following data is the temperature in August in 50 states in Country ABC.

90 171 202 178 147 102 153 197 127 82

157 185 90 116 172 111 148 213 130 165

141 149 206 175 123 128 144 168 109 167

95 163 150 154 130 143 187 166 139 149

108 119 183 151 114 135 191 137 129 160

a) Complete the table below based on the data set given above

Table showing Frequency Distribution

Lower Class Limit Upper Class Limit Frequency Relative Frequency Cumulative Frequency

80 99 4 4/50 = .08 3

119

120 149

169

189

50

TOTAL 50 1.00

b) Around what amount does the monthly electricity cost seem to be concentrated?