e1f9284d9ed 11928449ed O Which of the following charts that is positively skewed? 192849ad 1928449ed 30 40 50 60 70 80 1192840
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- Is it possible that P(AB)=P(A)? Explain.Joaquin gets paid every Friday. FI is paychecks for the past 8 Fridays were $315, $236.25, $236.25, $236.25, $315, $315, $236.25, $393.75. Find the (a) mean, (b) median, and (c) mode.Is the number of games won by a major league baseball team in a season related to the team batting average? The table below shows the number of games won and the batting average (in thousandths) of 8 teams. Team Games Won Batting Average 1 8383 289289 2 116116 290290 3 101101 287287 4 8181 262262 5 110110 288288 6 119119 269269 7 6060 268268 8 6161 280280 Using games won as the explanatory variable xx, do the following: (a) The correlation coefficient is r=r= . (b) The equation of the least squares line is y^=y^=
- Is the number of games won by a major league baseball team in a season related to the team batting average? The table below shows the number of games won and the batting average (in thousandths) of 8 teams. Team Games Won Batting Average 1 9797 269269 2 9595 275275 3 8686 273273 4 9999 261261 5 6464 285285 6 118118 260260 7 8787 274274 8 8888 280280 Using games won as the explanatory variable ?x, compute the correlation coefficientFrom a boxplot, one can determine: a. The mean b. The median c. The interquartile ranged. d. All of the above. e None oftheaboveIs the number of games won by a major league baseball team in a season related to the team batting average? The table below shows the number of games won and the batting average (in thousandths) of 8 teams. Team Games Won Batting Average 1 6060 259259 2 120120 277277 3 8989 263263 4 101101 288288 5 8585 287287 6 109109 270270 7 7777 272272 8 106106 290290 Using games won as the explanatory variable xx, do the following: (a) The correlation coefficient is r=r= . (b) The equation of the least squares line is y^=y^= . Speak
- 63836282637x83628363296/836384638363863+93733946384747/9x9374A researcher wants to determine the sensitivity of mammograms to determine how effective they are at diagnosing women who have breast cancer. Assume the researcher obtained the above results from a study, calculate and interpret the sensitivity of mammograms for detecting breast cancer. Frequency of Breast Cancer Cases Frequency of Non-Cancer Cases Frequency of Individuals Who Screened Positive 17 5 Frequency of Individuals Who Screened Negative 8 77A computer ANOVA output is shown below. Fill in the blanks. You may give bounds on the P-value. One-way ANOVA Source DF SS MS F P Factor ? ? 246.93 ? ? Error 25 186.53 ? Total 29 1174.24
- The racial/ethnic diversity of post high school students enrolled at MVCC during the fall 2020 semester is given below. Racial/Ethnic Diversity of Post High School Students Race/Ethnicity Percent* American Indian or Alaska Native 0.4% Asian 5.3% Black or African American 9.6% Hispanic or Latino 9.6% Two or more races 2.8% Native Hawaiian or Pacific Islander <0.1% Non-Resident Alien 0.5% Unknown 1.5% White 70.2% (*Percentages may not total 100 due to rounding) What is the race/ethnicity of the majority of students at MVCC? What total percent of students were either Black or African American or Hispanic or Latino? There were 3,444 students enrolled at MVCC at the time of the study. How many (not percent) students were Asian? (The answer must be a whole number.)The number of people per movie theatre was calculated for the 94 departments from continental Metropolitan France). The following chart shows the results in tabulated form, where bin is measured in 1000s of people. (For example, there are 3 departments with between 0-10,000 people per theatre.) bin n (0,10] 3 (10,20] 17 (20,30] 35 (30,40] 25 (40,50] 8 (50,60] 5 (60,70] 1 How much flexibility did you have in choosing the bin-width? Explain briefly.A researcher wants to determine the sensitivity of mammograms to determine how effective they are at diagnosing women who have breast cancer. Assume the researcher obtained the above results from a study, calculate and interpret the sensitivity of mammograms for detecting breast cancer. Frequency of Breast Cancer Cases Frequency of Non-Cancer Cases Frequency of Individuals Who Screened Positive 17 5 Frequency of Individuals Who Screened Negative 8 77 A total of 66.67% of individuals who have breast cancer test positive for breast cancer when using a mammogram as the primary diagnostic test for breast cancer. A total of 68% of individuals who have breast cancer test positive for breast cancer when using a mammogram as the primary diagnostic test for breast cancer. A total of 70.59% of individuals who have breast cancer test positive for breast cancer when using a mammogram as the primary diagnostic test for breast cancer. A total of 92.77% of…
