Please solve this problem with step-by-step.

2) The accompanying data set consists of observations on shear strength {lb} of ultrasonic spot welds made on a certain type of alclad sheet. 5434 4943 4521 45 23 4993 5232 5241 51 12 5315 4659 4336 4632 5623 43 31 4323 5343 43 36 4599 5233 5299 4343 53 23 5263 5355 5323 5213 43 59 4233 5322 5333 4639 4222 5133 5395 4613 4343 5339 5513 5333 5164 5342 5369 4255 4925 5331 4333 4951 5629 5256 5232 5621 4913 5133 4236 4533 5461 5349 4924 4592 4123 5296 4965 5123 4243 5123 4563 5653 5323 4933 4963 5243 5245 4223 5225 5419 5235 4452 5222 5555 5333 5493 4631 5326 4224 4931 4493 5339 5532 4333 4323 4412 5364 5643 5369 5133 5264 5223 5342 5139 4936 a) Construct a relative frequency table and a histogram based on tcn equal-width classes with boundaries [4333, 4233}, [4233, 4433], {I point) b) Comment on the shape of histogram {3.25 points) c) 1What is the proportion of welds with at least 5233 lb of shear strength? (Emperor's)