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We are given practice assignments for statistics, but I'm not the best at it. Would you mind assisting me with giving the correct answers so

We are given practice assignments for statistics, but I'm not the best at it. Would you mind assisting me with giving the correct answers so I can use it as a study guide for the quiz I have this week? I've attached screenshots below, and let me know if you want the pdf version.

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Acrobat File Edit View Window Help ()) $ 43%% Mon Sep 13 2:13 PM Q ... 1 Stat2Fa21 Assignment1 (1).pdf Create * Customize 1 15 100% Tools Sign Comment 1. The histogram below summarizes advertised nightly prices on AirBnB for "private rooms" to rent in New York City in 2019. You may assume that values are evenly Screen Shot distributed between the endpoints of each interval. 2021-04...5.43 PM (1.2) 1.2 PDF (1.02) L.W. document. 0.88) % per dollar 0.2 0.4 0.6 0.8 (0.34) Screen Shot 2021-09...1.53 PM 0.06 (0.02 (0.01) 0 50 100 OGL 200 250 300 350 400 New Resume Price (dollars) (a) What percent of rooms have a price between $100 and $200 per night? % Academic Summar...tral_files (b) Which describes more of the rooms (circle one)? X.P price from $0-$25 OR price from $200-$400 Atom SEP 13Acrobat File Edit View Window Help ()) $ 7 43% Mon Sep 13 2:14 PM Q ... 1 Stat2Fa21 Assignment1 (1).pdf Create Customize Screen Shot 2021-09...3.58 PM 1 15 100% Tools Sign Comment Screen Shot 50 100 150 200 250 300 350 400 2021-04...5.43 PM Price (dollars) (a) What percent of rooms have a price between $100 and $200 per night? PDF % L.W. document. (b) Which describes more of the rooms (circle one)? price from $0-$25 OR price from $200-$400 Screen Shot 2021-09...1.53 PM (c) Which is larger (circle one)? median rental price OR average rental price New Resume (d) Calculate the median rental price. $ Academic Summar...tral_files X.P Atom SEP 13Acrobat File Edit View Window Help ()) $ 7 44% Mon Sep 13 2:14 PM Q ... 1 Stat2Fa2 1 Assignment1 (1).pdf Create Customize 2 15 100% Tools Sign Comment 2. The histogram below shows the magnitudes of earthquakes near a particular location in southern California, but one of the bars (for the interval between 1 and 1.5 on the Richter scale) is missing. (a) Calculate the height of the missing bar and draw it in below. (Indicate the numerical value in parentheses as is shown for the other bars.) PDF L.W. document.p Screen Shot (60) 2021-09...1.53 PM 10 20 30 40 50 60 70 80 % per unit on Richter scale New Resume (24) (20) (8) (4) Academic O Summar...tral_files 2 3 Earthquake magnitudes (Richter scale) X.P Atom SEP 13Acrobat File Edit View Window Help ()) $ 2 44% . Mon Sep 13 2:14 PM Q ... 1 Stat2Fa2 1 Assignment1 (1).pdf Create Customize Screen Shot 2021-09...4.33 PM 13 15 100% Tools Sign Comment b) (Continuation from previous page) Fill in the blanks: The first quartile of the magnitudes is on the Richter scale, the third quartile is and the interquartile range is (You may assume that the values within each bar are evenly distributed.) PDF L.W. document.p Screen Shot 2021-09...1.53 PM New Resume 3. A marine ecologist measures the lengths of some fish in inches. The values are 19.3 16.2 18.7 22.0 21.3 Academic Summar...tral_files The average length is inches, and the SD is inches. Round your answers to the nearest tenth of an inch. X.P Atom SEP 13Acrobat File Edit View Window Help ()) $ 44% [ ] Mon Sep 13 2:14 PM Q ... 1 Stat2Fa21 Assignment1 (1).pdf PNG Create Customize Screen Shot Screen Shot 2021-09...4.38 PM 2021-09...4.33 PM 1 4 15 100% Tools Sign Comment SID. 4. A realtor lists the sale prices of 10 houses in a neighborhood. The most expensive of the 10 houses actually sold for $950,000, but because of a typesetting error it is listed as having a sale price of $9,500,000. The other 9 sale prices are listed correctly. For each part, circle ONE answer and fill in the blank if needed: PDF L.W. document. The median of the 10 listed sale prices is: (i) higher than the median of the correct list, but there is not enough information to correct it. (ii) higher than the median of the correct list; it should be reduced by $. (iii) the same as the median of the correct list. (iv) lower than the median of the correct list, but there is not enough information to Screen Shot 2021-09...1.53 PM correct it. (v) lower than the median of the correct list; it should be increased by $. The average of the 10 listed sale prices is: (i) higher than the average of the correct list, but there is not enough information to New Resume correct it. (ii) higher than the average of the correct list; it should be reduced by $. (ii) the same as the average of the correct list. (iv) lower than the average of the correct list, but there is not enough information to correct it. Academic (v) lower than the average of the correct list; it should be increased by Summar...tral_files $ X.P Atom SEP 13Acrobat File Edit View Window Help ()) $ 7 44% Mon Sep 13 2:15 PM Q ... 1 Stat2Fa21 Assignment1 (1).pdf Create * Customize 5 15 100% Tools Sign Comment 5. For each variable below, circle all the words that correctly describe it (a) A public health official keeps track of the number of positive COVID-19 tests on the UC Berkeley campus each week of the Fall 2021 semester. PDF Quantitative Qualitative Continuous Discrete L.W. document.p (b) The UC Berkeley Admission Office keeps track of the country of residence of all newly admitted students every year. Quantitative Qualitative Continuous Discrete Screen Shot (c) The CA Division of Elections keeps track of the number of Californian voters in every 2021-09...1.53 PM county. Quantitative Qualitative Continuous Discrete New Resume (d) A pediatrician measures the height of each patient at each visit. Quantitative Qualitative Continuous Discrete Academic Summar...tral_files 6. A randomized controlled trial was designed to evaluate the effectiveness of a new treatment of esophageal cancer. The study compared death rates from esophageal cancer after 6 months in a treatment group that received the new treatment and a control group that received another, previously approved treatment. X.P Someone critiqued the study, arguing that there was a problem with the randomization. Atom SEP 13Acrobat File Edit View Window Help ()) $ 7 44% . Mon Sep 13 2:15 PM Q ... 1 Stat2Fa21 Assignment1 (1).pdf Create Customize Screen Shot 2021-09...5.20 PM 5 15 2 + 100% Tools Sign Comment 6. A randomized controlled trial was designed to evaluate the effectiveness of a new treatment of esophageal cancer. The study compared death rates from esophageal cancer after 6 months in a treatment group that received the new treatment and a control group that received another, previously approved treatment. PDF L.W. document.p Someone critiqued the study, arguing that there was a problem with the randomization. They looked at the data and noted that the doctors had actually assigned a much higher number of later-stage (more severe) cancer patients to the new treatment. If this is true, could it bias the results of the study? And how would you justify your answer? Fill in the blank with the best option: Screen Shot 2021-09...1.53 PM (A) No, it wouldn't bias the study, because the study is missing a placebo group. (B) No, it wouldn't bias the study, because it's the attempt to randomize that counts. (C) Yes, it would bias the study, because if would tend to increase the death rate in the control group. New Resume (D) Yes, it would bias the study, because it would tend to increase the death rate in the treatment group. Academic Summar...tral_files X.P Atom SEP 13

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