Density g/cm³ ratio 1. What is the level of measurement?

1.79 20 2. Find the sample size n.

1.69 0.54 3. Find the minimum.

1.43 1.79 4. Find the maximum.

0.98 1.25 5. Find the range.

0.89 1.17 6. Find the midrange.

0.93 0.54 7. Find the mode.

0.7 1.17 8. Find the median.

0.54 1.17 9. Find the sample mean x.

1.57 0.4 10. Find the sample standard deviation sx.

1.47 0.34 11. Find the sample coefficient of variation CV.

1.64 0.25 12. Width

1.47
13. Frequency table

1.36 CUL Freq f Rel Freq
1.44 0.79 4 0.2
1.45 1.04 6 0.3
0.98 1.29 0 0
0.89 1.54 6 0.3
0.93 1.79 4 0.2
0.7
20 1
0.54










































































14. Sketch a relative frequency histogram


Bimodal 15. What is the shape of the histogram?


Two 16. Based on the histogram, how many different kinds of soap?


3.27 17. z for 2.48 g/cm³.


Unusual 18. Ordinary or?


Errors 19. Accurate or error?