ata is summarized by the stem and leaf plot below. Stem Leaf 1000011 22344589999 2 012366778889 3000000134556799 99
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Q: 0 9 1 246999 2 111134567888999 3 000112222345666699 4 001445 5 0014 6 7 7 3
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- A)What is the shape of the data distrubution B) Find the number summary C) New york has a bachelor degree percentage rate of about 32 % into what quater does thus rate fall3) You measure the length of 5 radish seedlings at 7 days and 10 days and get the following results in mm (do NOT use R except for part (d)): seedling #: 1 2 3 4 S 5 days: 30 20 38 49 32 33.8 10.686 7 days: 35 27 46 58 34 40 12.145 difference: -5 -7 -8 -9 -2 -6.2 2.775 (a) Is there a difference in length? (Note: this should be one-sided. Why??) (b) Repeat (a), but now use a regular (unpaired) t-test. (c) What happened in (b)? (d) Verify the normal distribution assumption for the paired t-test you did in (a). (You may use R for this part).find the pie chart
- A survey of the opinions of property owners about a street widening project was taken to determine whether the resulting opinion was related to the distance of front footage. A randomly selected sample of 100 property owners was contacted and the results are shown below. Opinion Front-Footage For Undecided Against Under 45 feet 12 4 4 45 – 120 feet 35 5 30 Over 120 feet 3 2 5 What is the computed value of chi-square? 5.4787 4.9985 9.2784 7.9842 11.0355Consumer Reports rated automobile insurance companies and gave annual premiums for top-rated companies in several states. The figure below shows box plots for annual premiums for urban customers (married couple with one 17-year-old son) in three states. The box plots were all drawn using the same scale on a TI-84Plus/TI-83Plus calculator. 1a) Which state has the lowest premium? 2a) Which state has the highest premium? B) Which state has the highest median premium? 1C) Which state has the smallest range of premiums? 2c) Which state has the smallest interquartile range? D) The five-number summaries generated on the TI-84Plus/TI-83Plus calculators for the box plots are given below.Match the five-number summaries to the appropriate box plots.The five-number summary for Texas is summary BLANK. The five-number summary for Pennsylvania is summary BLANK. The five-number summary for California is summary BLANK.Complete the stemplot for the following data. 31 37 48 28 30 34 54 39 22 41 43 33 28 55 49 31 35 58 36 29 20 48 23 30 34 22 20 36 34 31 2# | 002238893# | 001113444566794# | 138895# |
- 19. Give an estimate of the missing value in the followiing table by a suitable 2011 algebraic iriterpolation method : Year 1971 1981 1991 2001 1961 2514 2791 ? 3613 Population (in lakh) : 2384 2552Determine whether the underlined value is parameter or statistics : Interview of 200 adults 18 years of age or older, conducted nationwide, found that 46% could state the minimum age required for the office of Philippine president. The underlined value : "Interview of 200 adults"The average weekly incomes, in £s, of 18 selected occupations in the United Kingdom were: 244, 146, 278, 396, 435, 641, 577, 122, 294 357, 802 730, 286, 484, 169,, 559, 208, 498 Draw a box plot to represent these incomes. - UB = - Highest = - Q1 = - Q2 = - Q3 = - Lowest = - LB = Calculate the mean weekly income and the standard deviation.