Home
Class 7
MATHS
Simran notes down the number of hours sh...

Simran notes down the number of hours she spent on studying in a week. Her observations are as follows:

Find the average number of hours Simran studies in a day.

Text Solution

Verified by Experts

The correct Answer is:
`3(1)/(2)` hours
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • DATA HANDLING AND MEASURES OF CENTRAL TENDENCY

    ICSE|Exercise EXERCIES 18.2|16 Videos
  • DATA HANDLING AND MEASURES OF CENTRAL TENDENCY

    ICSE|Exercise REVISION EXERCISE|39 Videos
  • DATA HANDLING AND MEASURES OF CENTRAL TENDENCY

    ICSE|Exercise TRY THIS|19 Videos
  • CONSTRUCTIONS

    ICSE|Exercise REVISION EXERCISE |12 Videos
  • DATA HANDLING

    ICSE|Exercise EXERCISE 24D|13 Videos

Similar Questions

Explore conceptually related problems

S=25.33H+353.16 The linear regression model above is based on an analysis of the relationship between SAT math scores (S) and the number of hours spent studying for SAT math (H). Based on this model, which of the following statements must be true? I. The slope indicates that as H increases by 1, S decreases by 25.33. II. For a student that studies 15 hours for SAT math, the predicted SAT math score is greater than 700. III. There is a negative correlation between H and S.

The figure above shows the number of emails sent per day plotted against the number of hours an adult works on a computer per day. Which of the following best estimates the average rate of change in the number of emails sent compared to the number of hours working on a computer?

Knowledge Check

  • a+b=15 The equations above relates the number of hours, a, Kevin spends doing homework each week and the number of hours he spends watching television each week. If kevin spends a total of 15 hours doing homework and watching television each week, what does the variable b represent?

    A
    The number of hours spent watching television for each hour spent doing homework
    B
    The number of hours spent watching television each week
    C
    The number of hour spent doing homwork each week
    D
    The total number of hours spent doing homework and watching television each week
  • Julia went to Cancun during summer vaction. She recorded the number of pesos she spent on the first five days of her trip in the table below. How many pesos did she spend on the sixth day to make the mean expenditure per day (for six days) 220? {:("July",1,2,3,4,5,6),("Pesos spent",250,100,150,100,140,?):}

    A
    120
    B
    200
    C
    220
    D
    320
  • Which expression represents the number of hours in w weeks and d days?

    A
    `7w+12d`
    B
    `84w+24d`
    C
    `168w+24d`
    D
    `168w+60d`
  • Similar Questions

    Explore conceptually related problems

    Study the diagram and answer the questions that follow : Label the parts numbered as 1 and 2.

    The number of hours Ashu studied on different days of a week are as follows. Monday: 4 hours Tuesday: 4(1)/(2) hours Wednesday : 5 hours Thursday : 3(1)/(2) hours Friday : 4 hours Saturday: 6 hours Find the average number of hours in a day Ashu studied in that week.

    A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was Rs 90. Find the number of articles produced and the cost of each article.

    A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was Rs 90. Find the number of articles produced and the cost of each article.

    If carol earnsx dollars a week for 3 weeks and y dollars a week for 4 weeks, what is the average number of dollars per week that she earns?