Data Frequency 40 - 44 45- 49 4. 50 54 55 59 12 60 64 16 65 69 11 70-74 75 - 79 1 80 84 mode median =
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- Weight(lbs) Number of BicyclesMidpoint 16 - 20 21 - 25 Relative Frequency Cumulative Frequency 7 18 7 14 23 0.333 21 26 - 30 14 28 0.333 35 31 - 35 33 0.095 39 36 - 40 38 0.071 42 Based on the frequency distribution above, calculate the indicated relative frequency. Relative Frequency = three decimal placesPerform a chi-square independence test, provided the conditions for using the test are met. Researchers studied the bone mineral density (BMD) and depression of men aged 65 to 92 years. At the 1% significance level, do the data in the table (taken from a random sample) provide sufficient evidence to conclude that BMD and depression are statistically dependent for elderly men? Click on the icon to view the data table. What are the null and alternative hypotheses? O A. Ho: BMD is dependent upon depression in elderly men. H₂: Depression is dependent upon BMD in elderly men. B. Ho: Depression and BMD in elderly men are statistically dependent. H₂: Depression and BMD in elderly men are statistically independent. O C. Ho: Depression and BMD in elderly men are statistically independent. H₂: Depression and BMD in elderly men are statistically dependent. Find the test statistic. x² = Find the P-value. P= (Round to four decimal places as needed.) What is the conclusion of the independence test?…7. STATISTICS A class of 32 students participated in running a 400 m race in preparation for their sports day. The time, in seconds, taken by each student is recorded below. 83 34 36 @ (b) 58 82 85 82 81 80 34 82 32 72 98 73 50-54 55-59 60-64 65-69 70-74 75-79 80-84 61 78 71. Copy and complete the frequency table to represent this data. Time in seconds Frequency 3 4 6 Using the raw scores, determine the range for the data. 77887 100
- The table gives some information about the delays (in minutes) of 80 flights. Delay (n minutes) Frequency Cumulative frequency 10 - 19 16 16 20 - 29 26 42 30 - 39 23 40 - 49 10 75 50 - 59 5 80 The number of flights which delayed 39 minutes or less than 39 minutes is:65 flights. true false58, 66, 97, 89, 86, 72, 81, 70, 92, 95, 73, 79, 88, 68, 90, 82, 78, 93, 89, 71, 72, 84, 98, 59, 86, 90, 74, 82, 58, 64. Interval 50 - 59 Frequency Relative Frequency Cumulative Frequency Cumulative Relative FrequencyUsing the table below to calculate all the relative frequencies (A-E) and all the cumulative frequencies (AA - EE). PARTICIPATING AGE INTERVAL FREQUENCY RELATIVE FREQUENCY RELATIVE FREQUENCY 10-19 2 A AA 20-29 10 B BB 30-39 34 C CC 40-49 3 D DD 50-59 1 E EE What value would be in box B?
- frequency distribution based on sales per unit Classes Frequency 0-0.5 10 0.5-1 40 1-1.5 25 1.5-2 12 2-2.5 6 2.5-3 4 3-3.5 2 3.5-4 1 Total 100 40 12 6 those are incorrect and I am having trouble coming up with the correct answer?? Please adviseGrade on Statistics Exam Frequency 40 – 49 10 50 – 59 9. 60 – 69 13 70 – 79 11 80 – 89 14 90 – 99 Given the frequency table above, construct the relative frequency table that corresponds with it. Grade on Statistics Exam Relative Frequency 40 – 49 50 – 59 60 – 69 70 – 79 80 – 89 90 – 99Time(min) # of students 10-19 8 20-29 15 30-39 22 40-49 18 50-59 12 60-69 9 70-79 5 Calculate the: a. Mean b. Median c. Mode
- 新 37 Find the 7 decile and 60 percentile from the following data: Wages (Rs.) 30-40 40-50 50-60 60-70 70-80 80-90 90-100 No. of workers 11 21 1 3 43 32 9.Source Value Std Err P value Intercept 26272.327 674.907 38.927 <0.0001 BA 35451.244 580.632 61.056 <0.0001 Female -17064.762 495.537 -34.437 <0.0001 FemalexBA -10509.614 824.520 -12.746 <0.0001 Age 533.753 14.074 37.925 <0.0001 Hours -1.698 0.878 -1.934 0.061 In an attempt to evaluate the difference in the impact of a degree on income by gender a researcher filters their data down to just individuals with a High School Diploma or a Bachelors Degree and gets the results shown above. a. How much does a Bachelors Degree increase the income for a woman? b. How much is the difference in the impact of a Bachelors Degree for women compared with men? c. What would the income be for a 52 year old male with a Bachelors Degree, who works an average of 50 hours a week?Please explain your answer
