Some teachers use a weighted mean to calculate grades Each score assigned a weight based on importance . To find a weighted each score by weight and add Reports the For example a student's chemistry grade based on four sources 30% lab reports from quizzes , 25from the midterm , and 35 % from the final exam the student's weighted mean given the scores shown in the table Exam Final Exam 91 75 The student's weighted score your Type an integer or a decimal )
To calculate the weighted mean, we need to multiply each score by its weight and then add those products and divide by the total weight:
Weighted Mean = (30%*80 + 25%*85 + 35%*((91+75)/2)) / (30% + 25% + 35%)
Weighted Mean = (0.3*80 + 0.25*85 + 0.35*83) / 0.9
Weighted Mean = (24 + 21.25 + 29.05) / 0.9
Weighted Mean = 74.3
Therefore, the student's weighted score is 74.3.
How to begin a paragraph?
To start a paragraph, you can follow these steps:
1. Start with a topic sentence that clearly states the main idea or point of the paragraph. This sentence should grab the reader's attention and provide a roadmap for what the paragraph will discuss.
2. Use supporting sentences to provide evidence, examples, or details that explain or develop the main idea in the topic sentence.
3. Connect the supporting sentences back to the topic sentence to ensure that the paragraph stays focused on the overall point.
4. End the paragraph with a concluding sentence that sums up the main idea and provides a transition to the next paragraph.
5. Ensure that the paragraph is well-organized, coherent, and follows a logical order.
Remember, a paragraph should only contain one main idea, and each sentence should support or develop that idea. It's also important to use clear and concise language, and to avoid including irrelevant or unnecessary information.
Give me an example of a story, and give me an example of a paragraph that talks about the story as well.
Example of a story:
Once upon a time, in a small village nestled in the mountains, there lived a young girl named Lily. She loved to explore the forests that surrounded her village and often went on adventures with her faithful dog, Rusty. One day, while they were out exploring, they stumbled upon an old abandoned cabin. As they approached the cabin, they heard strange noises coming from within.
Example of a paragraph talking about the story:
Lily, a young girl who loved exploring the forests surrounding her village and often went on adventures with her dog Rusty, discovered an old, abandoned cabin. Intrigued by the strange noises emerging from within, she decided to investigate, despite Rusty's reluctance. As they entered the cabin, the noises grew louder and the air grew colder. What would they discover inside the mysterious cabin?
Continue the story!!
Lily could feel her heart beating faster with every step they took. She held Rusty's collar tightly and tried to calm down the scared dog. As they got closer to the source of the noise, they realized that it was coming from the far end of the cabin. In a matter of seconds, they reached the door where there was a small hole, probably made by rats. They peeked inside and saw a table with a lit candle, a quill pen, and ink. There was also a letter, and it was addressed to "Lily." She knew immediately that she had to read it. She slowly pushed the door open and entered the room.
As soon as she stepped in, the noises stopped, and the air felt less chilly. She slowly approached the table and opened the letter. The letter was written by her grandfather, whom she had never met. In the letter, he explained why he had to leave her grandmother and go on a long journey alone. He had left things behind for Lily, and he wanted her to know that he loved her, even though they had never met.
Lily was moved by the letter and felt happy knowing that her grandfather had thought of her, even though they had never interacted. She decided to explore the cabin further and found an old chest with a locket containing her grandfather's picture. The locket had belonged to her grandmother, and it meant a lot to Lily.
After exploring the cabin, Lily and Rusty headed back to the village with the locket and letter. She was grateful for the adventure and for learning more about her family history.
continue it please!!
Lily couldn't wait to share her discovery with her mother. She was filled with excitement about the mysterious letter and locket. As she returned home, she ran into her mother, who was waiting for her worriedly. Overjoyed with Lily's return, her mother listened attentively to the story as Lily shared every detail of her adventure at the mysterious cabin. Her mother was surprised to learn about the letter and the locket and promised to help Lily learn more about her lost grandfather.
As days went by, Lily's mother helped her search through old family albums and records to find more information about her grandfather. They discovered that her grandfather was a famous traveler and adventurer, and he had traveled to many countries, seeking adventure and knowledge. The more they learned about him, the deeper their love grew for him.
Lily carried the letter and locket with her wherever she went and often reminisced about the day she found them. She continued to explore the forest, and every time she came across something new, she remembered her grandfather's adventurous spirit and the treasure he had left for her in the cabin.
Years later, as Lily became a famous adventurer herself, she remembered her grandfather and thanked him for inspiring her spirit of adventure. The letter and locket remained close to her heart and continued to remind her of the legacy her grandfather had left for her.
To find the student's weighted score in chemistry, we need to follow these steps:
Step 1: Assign weights to each score based on their importance
According to the problem, the weights assigned to each score source are as follows:
- Lab reports: 30%
- Quizzes: 25%
- Midterm: 25%
- Final exam: 35%
Step 2: Multiply each score by its respective weight
Using the data provided in the table, we can calculate the weighted scores for the student:
- Lab reports: 91 * 0.3 = 27.3
- Quizzes: Not provided
- Midterm: Not provided
- Final exam: 75 * 0.35 = 26.25
Step 3: Add up the weighted scores
To calculate the overall weighted score, we need to add up the weighted scores from each score source:
27.3 + x + x + 26.25
Step 4: Calculate the missing weighted scores
Since the scores for quizzes and the midterm are not provided, we'll assume they are represented by x in the equation above.
Step 5: Solve for the missing scores
To find the value of x, we need additional information. Without the scores for quizzes and the midterm, we cannot accurately calculate the student's weighted score in chemistry.
Therefore, the weighted score for the student in chemistry cannot be determined without the missing scores for quizzes and the midterm.