Question

find the mean and mode for the following frequency distribution class intervals : 330-369 370-389 390-409 410-429 430-449 450-469 frequency: 15,27,31,19,13,6​

Answer 1

Step-by-step explanation:

class interval. frequency. xi

330-369. 15. 349.5

370-389. 27. 479.5

390-409. 31. 399.5

410-429. 19. 419.5

430-449. 13. 439.5

450-469. 06. 459.5

€fi=. 116.

Answer 2

Answer:

Step-by-step explanation: