Business stat

1. The table below shows the scores of 165 students in STATISTICS EXAM. Scores (Class Interval) Frequency (!) 61 -65 12 66 -70 20 71-75 35 76 -80 39 81 - 85 25 86 - 90 18 91 -95 16 A. Construct the column for the following quantities / variables 1. classmark (x) 2 product of frequency and classmark (fx) 3. class boundaries 4. less than cumulative frequency 5. relative frequency in percent B. Compute and interpret the values of the following 1. mean of the data set 2. median of the data set 3. mode of the data set C, Draw the graph of the data set using relative frequencyThe table below shows the Mental and English Proficiency Test Scores of 17 applicants In a certain company. Mental Ability (X) English Proficiency (Y) 50 200 54 198 50 200 51 203 49 186 46 205 48 185 47 197 44 183 44 171 46 179 45 185 48 184 53 190 54 191 33 170 34 168 A. State the Null and Alternative hypothesis B. Use Pearson r to test the hypothesis (NOTE: tabular value = 0,482) C. State your decision D. State your Interpretation