SHUBH TEST 1

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George Brown College Canada *

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Course

1002

Subject

Statistics

Date

Jan 9, 2024

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xlsx

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29

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40,859 31,476 39,377 32,205 40,757 32,253 48,314 33,702 36,512 33,952 32,205 34,982 44,637 35,256 42,275 35,308 50,382 35,379 43,688 35,454 40,010 35,576 39,912 35,873 45,945 36,076 40,325 36,153 42,714 36,218 43,535 36,267 47,145 36,512 43,652 36,718 42,981 36,787 41,176 36,809 37,145 37,038 35,576 37,137 40,593 37,145 a) 25TH percentile 39683.5 therefore, a 35,873 37,360 38,780 37,436 50th percentile (median) 42325.5 47,501 37,756 43,226 37,760 75th percentile 44961 45,153 37,871 47,486 37,992 44,348 38,098 45,228 38,285 b) to compute measures of central tendacy and variability of data 45,227 38,345 we will use descriptive statistics function. 42,545 38,429 36,809 38,492 44,059 38,538 39,537 38,780 48,415 38,808 47,523 38,880 47,609 38,950 40,694 39,037 42,928 39,061 34,982 39,201 47,102 39,377 44,048 39,504
36,218 39,511 37,137 39,515 38,429 39,516 45,276 39,537 46,955 39,581 42,811 39,682 c) 2k > n 43,950 39,688 number of classes = 200 45,052 39,789 2*8 > 200 46,336 39,842 256 > 200 therefore, the number 49,573 39,847 41,051 39,912 range = highest - lowest 44,748 40,010 21,298 to determin 42,907 40,010 41,539 40,050 42,324 40,277 41,379 40,325 bin 46,851 40,329 31000 < 34000 34000 38,285 40,370 34000 < 37000 37000 41,676 40,465 37000 < 40000 40000 45,428 40,551 40000 < 43000 43000 40,621 40,593 43000 < 46000 46000 39,516 40,611 46000 < 49000 49000 41,084 40,621 49000 < 52000 52000 39,581 40,694 52000 < 55000 55000 42,429 40,725 38,098 40,757 39,688 40,774 43,734 40,798 41,436 40,817 39,847 40,859 37,360 40,902 43,996 41,051 42,551 41,084 38,345 41,110 box and whisker 37,756 41,110 40,329 41,176 46,554 41,293 39,061 41,379 41,293 41,436 49,292 41,539 41,877 41,558 44,879 41,676 42,500 41,679 38,492 41,838 42,007 41,877 This chart isn't available in Editing this shape or saving permanently break the char
46,705 41,903 46,959 41,932 44,627 41,962 39,037 42,007 42,327 42,107 46,813 42,159 46,085 42,173 49,047 42,217 36,153 42,224 36,718 42,275 38,950 42,324 48,586 42,327 33,952 42,392 40,050 42,429 41,679 42,500 42,107 42,512 43,774 42,527 44,120 42,545 46,223 42,551 43,724 42,714 40,817 42,728 35,308 42,762 48,196 42,811 46,089 42,907 41,110 42,928 40,902 42,981 31,476 42,996 41,838 43,137 32,253 43,155 42,728 43,226 44,450 43,535 33,702 43,627 39,842 43,652 49,494 43,688 40,010 43,724 40,774 43,734 45,324 43,762 42,527 43,774 37,436 43,851 41,903 43,950 38,808 43,989 44,092 43,996 43,155 44,029 39,789 44,048 52,774 44,059
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37,038 44,074 43,762 44,092 39,504 44,120 42,392 44,238 45,614 44,264 42,224 44,348 41,110 44,426 40,465 44,450 45,290 44,566 44,566 44,627 50,339 44,637 44,264 44,703 38,538 44,748 36,076 44,879 37,992 44,879 38,880 44,904 41,558 44,980 44,238 45,052 44,029 45,148 46,758 45,153 44,904 45,227 47,575 45,228 45,448 45,276 43,137 45,290 36,267 45,324 46,801 45,347 46,161 45,428 42,512 45,448 51,027 45,614 40,551 45,945 35,379 45,949 36,787 46,085 49,162 46,089 44,703 46,161 35,256 46,223 40,370 46,336 42,159 46,554 49,041 46,705 44,074 46,758 45,347 46,801 44,980 46,813 35,454 46,851 41,962 46,955 41,932 46,959 39,682 47,062
42,996 47,102 37,871 47,145 40,611 47,486 39,511 47,501 44,879 47,523 39,201 47,575 37,760 47,609 43,851 48,196 44,426 48,314 45,148 48,415 40,277 48,586 39,515 49,041 40,725 49,047 40,798 49,162 47,062 49,292 43,627 49,494 42,173 49,573 45,949 50,339 42,762 50,382 43,989 51,027 42,217 52,774
SHUBH GUPTA 101448052 after calculating all 3 percentikes, I can say t 45000 pound Column1 Mean 42260.64 Standard E 278.2153 Median 42325.5 Mode 40010 Standard D 3934.559 Sample Var15480754 Kurtosis -0.113907 Skewness -0.130061 Range 21298 Minimum 31476 Maximum 52774 Sum 8452128 falls closet to 75th percentile that is 44961.
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Count 200 r of classes will be 8 ne the class width = range/ number of classes 2662.25 3000 ( rounding off to 3000 to make it easy) Bin Frequency 34000 5 37000 15 40000 35 43000 61 46000 49 49000 25 52000 9 55000 1 More 0 3399 9.999 3699 9. 999 39999. 999 4299 9. 999 45999. 999 4899 9.999 51999. 999 5499 9.999 Mo re 0 10 20 30 40 50 60 70 Histogram F Bin Frequency your version of Excel. g this workbook into a different file format will rt.
Frequency
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Thomas has interviewed for two jobs. He feels that he has a 65% chance of getting an offer on job A c. Given that he received an offer of job A , what is the probability that he is getting an offer also on Answers: a. b. c. a) probability of getting a job offer from one of the jobs = P( A OR B ) P( A OR B) = P(A) + P(B) - P(A & B) P(A OR B) = 0.7 probability of getting him one of the jobs b) proababilty of not getting any of the jobs = 1 - P( A OR B) = 0.3 c) P ( B/A)= P(A & B) / P(A) 0.615385 = 0.62 probability of him also a. What is the probability of getting an offer on one job b. What is the probability that he does not get an offer at either job?
A and a 45% chance of getting an offer on job B. He also believes there is a 40% chance of getting an p(A) = .65 n job B? P(B) = .45 P( A and B) = .40 probability of not getting any job o getting a job offer from job B , Given that he got an offer from Job A.
offer on both jobs.
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Suppose 48% of recent college graduates plan on pursuing a graduate degree. Thirteen recent colleg a. What is the probability that no more than three of the college graduates plan to pursue a gradua Note: Do not round intermediate calculations. Round your final answer to 4 decimal b. What is the probability that exactly four of the college graduates plan to pursue a graduate degre Note: Do not round intermediate calculations. Round your final answer to 4 decimal c. What is the probability that at least seven but no more than ten of the college graduates plan to Note: Do not round intermediate calculations. Round your final answer to 4 decimal Answers: a. a) probability of no more than 3 students pursue graduate degree = b. c.
ge graduates are randomly selected. ate degree? P ( graduate degree) = 0.48 l places. ee? students selected = 13 l places. pursue a graduate degree? l places.
On average, there are 17 potholes per mile on a particular stretch of the state highway. Suppose the a. Find the probability of finding fewer than two potholes in a quarter-mile stretch of the highway. Note: Do not round intermediate calculations. Round your final answer to 4 decimal b. Find the probability of finding more than one pothole in a quarter-mile stretch of the highway. Note: Do not round intermediate calculations. Round your final answer to 4 decimal Answers: a. a) p( finding fewer than 2 potholes in quarter mile stretch b. 0.089151 b) 1.060623
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potholes are distributed evenly on the highway. l places. l places. h) quarter mile= 1/4 mile
On average, an American professional football game lasts about five hours, even though the ball is ac a. Find the probability that a game lasts less than 3.0 hours. Note: Do not round intermediate calculations. Round your final answer to 4 decimal b. Find the probability that a game lasts either less than 3.0 hours or more than 3.5 hours. Note: Do not round intermediate calculations. Round your final answer to 4 decimal c. Find the maximum value for the game time that will place it in the bottom 21% of the distribution Note: Do not round intermediate calculations. Round your final answer to 2 decimal Answers: a. 0.013134 b. 0.965344 c. 4.274221
ctually in play only 11 minutes. Assume that game times are normally distributed with a standard devia l places. l places. n. l places.
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ation of 0.9 hour.
Classify each of the following variables as ordinal, interval, nominal. a. Dollar amount on an accounts receivable invoice b. The advertising medium ( radio, television, or print) used to promote a product c. Statistics course letter grade d. Personal computer ownership Answers: a internal b nominal c ordinal d nominal
The average starting salary for graduates at a university is $25,000 with a standard deviation of $2,000 a) 23,000 and 27,000 b) 21,000 and 29,000 c) 19,000 and 31,000 d) 24,000 and 26,000 e) 26,000 and 28,000 Answer: a) 23000 and 27000
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0. If a histogram of the data shows that it takes on a mound shape, the empirical rule says that approxim
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mately 68% of the graduates would have a starting salary between _______.
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