UMS MTH105 FALL 2014 HOMEWORK ………
SPRING 2014ASSIGNMENT 2 - SOLVE AND WRITE THE CORRECT ANSWERS FROM YOUR COMPUTED VALUES IN THE BLANKS PROVIDED.Half I.A. Choose the proper reply and write the applicable letter within the area supplied. (.25 POINTS FOR EVERY CORRECT ANSWER)______ 1. Which one of many following measures of dispersion doesn't divide a set of observations into equal components?a. quartiles b. decilesc. percentiles d. customary deviations______2. The interquartile vary is the distinction between:a. the second and third quartile. b. the second and fourth quartile.c. the primary and third quartile. d. the primary and final quartile.______3. A contingency desk :a. can solely be used when there are two ranges of every variable.b. can be utilized to check the connection between ordinal or nominal degree variables.c. can solely be used with interval or ratio degree variables.d. is constructed from the quartiles of an information set.._______4.A dot plot reveals the vary of values alongside the:a. vertical axis. b. ( x, y) diagonal axis.c. median axis. d. horizontal axis.______ 5. When displaying information with a dot plot, we:a. don't lose the id of a person information level b. are in a position to present the vary of the values.c. are in a position to see the form of the distribution. d. all of these in a, b. c are right.______ 6. A scatter diagram is a graphic device used to painting:a. the imply of the information values. b. the vary of the information values.c. the midpoint of information values. d. the connection between variables.______ 7. In a stem and leaf show:a. the leaf is the main digit or digits of the quantity.b. the stem is the main digit or digits of the quantity.c. the stem or the leaf could be the main digit or digits of the quantity.d. the stem is the trailing digit.______ eight. The coefficient of skewness is a measure:a. of the connection of the mode and median. b. primarily based on the imply deviation.c. of the symmetry of a distribution. d. primarily based on the center 50 % of the observations.______9. A field plot is predicated on:a. the imply. b. percentiles.c. deciles. d. the primary and third quartile, the median, the most and the minimal.______ 10. The interquartile vary is predicated on:a. the median. b. the imply deviation.c. the sq. of the imply deviation. d. the center 50 % of the observations.Half I.B. Resolve the next gadgets and write the proper solutions on the areas supplied. (.25 POINTS FOR EVERY CORRECT ANSWER)____________ 11.5 youngsters have heights of 138 cm, 135 cm, 140 cm, 139 cmand 141 cm. What's thevary of their heights?____________ 12.What's the vary of the next numbers:19, 21, 18, 17, 18, 22, 46?____________ 13. What's the median within the following numbers:19, 21, 18, 17, 18, 22, 46?____________ 14.Waleed took 9 assessments in numerous topics and received scores of 68, 71, 71,84, 53, 71, 62, 67.What was Walled's mode rating?____________ 15. In a set of scores, the worth 93 appeared twice, greater than some other quantity. What's themode rating?____________ 16. The temperature in levels Celsius over four days in April was 28, 21,19 and 30. What wasthe imply temperature?The weekly salaries of six workers at a restaurant are $180, $220, $98, $180, $140, $200. For these six salaries, discover:_____________17. the median_____________ 18. the mode_____________19.A storeowner stored a tally of the sizes of fits bought in her retailer. Which measure of central tendency ought to the storeowner use to explain the typical measurement swimsuit offered?_____________20.A tally was made from the variety of occasions every colour of crayon was utilized by a kindergarten class. Which measure of central tendency ought to the trainer use to find out which colour is the favourite colour of her class?_____________ 21.The science take a look at grades are posted. The class did very properly. All college students taking the take a look at scored over 75. Sadly, four college students have been absent for the take a look at and the pc listed their scores as zero till the take a look at is taken. Assuming that no rating repeated extra occasions than the zero's, what measure of central tendency would most definitely give the greatest illustration of this information?A card is chosen at random from a deck of 52 taking part in playing cards.There are four Queens and four Kings in a deck of taking part in playing cards.Utilizing these DATA, reply questions 18._____________22.What's the chance it's a Queen or a King?_____________23.There are four Queens and four Kings, so the Variety of methods it will probably occur is__. _____________24.There are 52 playing cards altogether, so the Complete variety of outcomes is___________________25.The chance the cardboard is both a Queen or a King is___DESCRIBE HOW A FREQUENCY DISTRIBUTION IS PREPARED:____________________________________________________________________________________________________________________________________________________________________________________________________Half II Present your whole work. Write the solutions within the areas supplied.7674717880678082678872788576848283807282777986896970828678771. The scores of a pattern of 30 college students in one of many topics of a sure College are proven within the desk.Assemble a dot plot for the information.| | | | | | | | | | | | | | | | | | | | | | |STEMLEAF56 eight61 2 2 four eight7zero four 6 6eightzero four four 6 6 6 6 69zero 2 610zero2. The next stem and leaf plot reveals the scores on a current examination of scholars in Statistics.2.a.2.a.What number of college students took the take a look at?2.b.2.b. What have been the best and lowest scores?2.c.2.c. What number of college students scored 70 or larger?2.d.2.d. What % of the scholars scored decrease than 70?15172326273572889198102three. The revenues of the highest eleven private laptop producers are given (in hundred hundreds of thousands).three.a. Q1three.b. Q3three.c. Mthree.a. Compute the primary quartile.three.b. The third quartile.three.c. Decide the median.three.d. Draw a field plot for the information.