I really need help with these math questions, please! I don't need detailed answers at all... just whether it is abc or d. Thank you so much and God Bless!
Question 2 (1 point) Rylie works at a day-care centre. The chart shows the number of children at the centre each day for 10 d. Which piece of data could be considered an outlier? Number of Children Present Day 1 2 3 4 5 6 7 8 9 10 Number of 126 128 124 129 119 97 130 126 121 120 children 97 O 119 O 122 O 130Question 3 (1 point) Kyra works at the deli counter in a grocery store. The chart shows the masses of the meat packages bought by her last 12 customers. What is the trimmed mean for the package sizes if you remove the high outlier and the low outlier? Masses of Deli Meat Packages 200 g 225 g 100 g 195 g 175 g 180 g 450 g 210 g 350 g 225 g 925 g 325 g 296.7 8 350 g 253.5 g O 211.3 gQuestion 4 {1 point) Ainsley is a nature guide at a provincial park. Some children on a class trip measured plant heights and recorded these results. Plant Heihts What is the trimmed mean if you remove the two highest heights and the two lowest heights? ()4s7cm ()521cm (>343cm (>415cm Question 6 (1 point) The chart shows Liliana's marks in her woodworking class. What was Liliana's final mark in woodworking? Work Mark Percent of final mark Wooden stool 72 40 Wooden box 79 20 Design assignment 76 20 Picture frame 80 5 Final exam 75 15 O 76.4 72.6 81.2 75.1Question 7 [1 point} Corey conducted a survey. The chart shows the results. What is the mean percent of people from all the grades who play school sports? Use a weighted mean. Do You Play School Sports? \"Portion of surll'e'gar Percent of students who population play school sports _ Question 9 [1 paint} The chart shows the mean exam marks for five classes. Which class mean was closest to the weighted mean score for all the classes? Exam Scares B Class size Mean exam mark 0 Class A 0 Class C 0 Class D Question 10 (1 point) Which are advantages of using a weighted mean? C A weighted mean can help you compare results when scores are given for more than one category. O A weighted mean is a fair way to represent a typical value in a data set where some values are worth more than others. OA weighted mean can help you compare survey data from different-sized groups. O All of the aboveQuestion 11 (1 point) A baseball team scored these numbers of strike-outs in 10 games. What is the median number of strike-outs for these games? Game 2 3 4 5 6 7 8 9 10 Number of 141 112 132 168 135 128 116 114 122 126 strike-outs 135 O 131.5 O 127 O 140Question 12 (1 point) Annie is a pipefitter. She applied for jobs that offered these hourly wages: $24.50, $25.15, $22.00, $21.85, $23.35, $24.50 What is the median hourly wage for these jobs? $22.00 $24.50 $23.30 $23.93Question 13 (1 point) Kaylin wants to buy car insurance. She did some research online and got these quotes from different companies. Kaylin made an error when she determined the median cost. Cost of car insurance (/yr): $1913, $1843, $1963, $1807, $2164, $1950, $1887, $1963 Kaylin's calculation: In order from least to greatest: $1807, $1843, $1887, $1913, $1950, $1963, $1963, $2164 The median cost is $1950. What is the correct median cost? $1887 $1931.50 $1913 $1936.25Question 14 (1 point) Vivian sells bicycles. She uses pant lengths to determine the correct frame size for each customer. The chart shows the pant lengths for some recent customers. Pant 28 to 30 30 to 32 32 to 34 34 to 36 36 to 38 length in. in. in. in. in Number 10 14 7 21 6 of customers In which interval would you find the median pant length for these customers? 34 to 36 in. 32 to 34 in. 36 to 38 in. 30 to 32 in.Question 15 (1 point) Ming asked people about their favourite ice-cream flavours. What Is Your Favourite Ice-Cream Flavour? chocolate butter pecan mint vanilla mint chocolate chocolate cookies/cream chocolate strawberry mint coffee chocolate strawberry cookies/cream mint cookies/cream mint chocolate chocolate Which measure of central tendency can you use when the data values in a set are not numbers? O trimmed mean mode OOO mean medianQuestion 16 {1 point} Bernard operates an oil-change business. Bernard checked his receipts for one morning and organized the transaction amounts in a chart. What is the mode for Bernard's data? Transaction Amounts $12.0? $22.14 $31.25 $31.25 $31.25 $55.4? $55.4? $55.4? $55.4? $62.50 $65.?5 $?1.38 $?5.25 $?9.9? $35.23 $35.23 $85.23 $85.23 $93.12 $99.02 0 There is no mode. 0 $55.4:r 0 There are two modes. $55.4? and $85.23. Question 18 (1 point) How do outliers affect the mode for a set of data? A high outlier will increase the mode. A low outlier will decrease the mode. C Outliers do not affect the mode unless the mode itself is an outlier. A and B Question 19 (1 point) Which set of data has no mode? O 101, 101, 101, 103, 103, 103, 117 O 103, 105, 111, 121, 124, 132, 144 O 101, 102, 104, 104, 106, 106, 110 O 102, 108, 108, 114, 115, 126, 135Question 20 (1 point) A newspaper article says that the median income for workers in a Canadian city is about $35 000/yr. Which statement is true? O The mode income and the mean income are also $35 000/yr in this city. People in this city earn about half of what people in other cities are earning. O More people in this city earn $35 000/yr than any other amount. O About half of the workers in the city earn less than $35 000 and the other half earn more.Question 21 (1 point) Sage runs a sandwich shop. She wants to know what kind of sandwich is most popular with her customers. Which measure of central tendency should she use? median mode OOOO mean percentile scoreQuestion 22 {1 point} Kiley surveyed some drivers in her community about winter safety. The chart shows the results for one survey question. Which statement is best supported by the survey data? Do You Carry a 1il"'|."i|'|ter Driving Kit in TourVehicle? Percent of survey Percent of people population @ 0 Drivers over 45 are the best winter drivers. 1 0 About E of Canadians carry a winter driving kit. 0 People over 45 are less likely to complete driving surveys than younger people. 0 About 33% of people surveyed said they carry a winter driving kit. Question 23 (1 point) Noelle works in an office where people spend a lot of time reading and writing email messages. Noelle thinks that if people write shorter emails, they will save time. She collected some sample messages and counted the lines of text in each one. Which statement is not an accurate description of Noelle's data? Lengths of Typical Email Messages ( lines) 12 6 42 68 29 54 13 155 16 14 18 32 20 29 18 29 O The mean length is 34.7 lines. O The mode length is 29 lines. O The median is greater than the mean. The message with 155 lines is an outlier.Question 24 {1 point} Lucy is a biologist. She studies mountain lions in Alberta. The chart shows the masses of 40 adult male mountain lions. In which mass interval is the 50th percentile for these mountain lions? MM Question 25 (1 point) The chart shows the final scores for school teams at a swim meet. Alex's team scored 512 points. What was their percentile rank? Percentile rank: (B + 0.50) + / 100 Swim Team Scores 219 221 284 361 377 422 430 453 455 487 512 514 O 95th percentile O 50th percentile O 11th percentile O 88th percentile